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rlsa-2026:42088
Vulnerability from osv_rocky
Published
2026-07-21 06:00
Modified
2026-07-21 18:07
Summary
Important: webkit2gtk3 security update
Details
WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.
Security Fix(es):
-
Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699)
-
webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701)
-
webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712)
-
webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)
-
webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720)
-
webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)
-
webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727)
-
webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)
-
webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734)
-
webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742)
-
webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Severity
8.8 (High)
Credits
Rocky Enterprise Software Foundation
Red Hat
References
{
"affected": [
{
"package": {
"ecosystem": "Rocky Linux:8",
"name": "webkit2gtk3",
"purl": "pkg:rpm/rocky-linux/webkit2gtk3?distro=rocky-linux-8\u0026epoch=0"
},
"ranges": [
{
"database_specific": {
"yum_repository": "AppStream"
},
"events": [
{
"introduced": "0"
},
{
"fixed": "0:2.52.5-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [
{
"name": "Rocky Enterprise Software Foundation"
},
{
"name": "Red Hat"
}
],
"details": "WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.\n\nSecurity Fix(es):\n\n* Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699)\n\n* webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712)\n\n* webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720)\n\n* webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)\n\n* webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742)\n\n* webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
"id": "RLSA-2026:42088",
"modified": "2026-07-21T18:07:27.507439Z",
"published": "2026-07-21T06:00:53.836342Z",
"references": [
{
"type": "ADVISORY",
"url": "https://errata.rockylinux.org/RLSA-2026:42088"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2280382"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500519"
},
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},
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"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500526"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500527"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500528"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500529"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500530"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500531"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500532"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500533"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500534"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500535"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500536"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500537"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500538"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500539"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500540"
}
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "Important: webkit2gtk3 security update",
"upstream": [
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"CVE-2026-39872",
"CVE-2026-43663",
"CVE-2026-43676",
"CVE-2026-43699",
"CVE-2026-43701",
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]
}
CVE-2024-4367 (GCVE-0-2024-4367)
Vulnerability from cvelistv5 – Published: 2024-05-14 17:21 – Updated: 2026-05-12 11:30
VLAI
EPSS
VEX
Summary
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
Severity
5.6 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Arbitrary JavaScript execution in PDF.js
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1893645 | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://lists.debian.org/debian-lts-announce/2024… | |
| https://lists.debian.org/debian-lts-announce/2024… | |
| http://seclists.org/fulldisclosure/2024/Aug/30 | |
| https://github.com/mozilla/pdf.js/releases/tag/v4.2.67 | |
| https://codeanlabs.com/blog/research/cve-2024-436… | |
| https://github.com/gogs/gogs/issues/7928 | |
| https://www.exploit-db.com/exploits/52273 | |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Affected:
unspecified , < 126
(custom)
|
|
| Mozilla | Firefox ESR |
Affected:
unspecified , < 115.11
(custom)
|
|
| Mozilla | Thunderbird |
Affected:
unspecified , < 115.11
(custom)
|
|
| mozilla | thunderbird |
Affected:
0 , < 115.11
(custom)
cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:* |
|
| mozilla | firefox |
Affected:
0 , < 126
(custom)
cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:* |
|
| mozilla | firefox_esr |
Affected:
0 , < 115.11
(custom)
cpe:2.3:a:mozilla:firefox_esr:-:*:*:*:*:*:*:* |
|
| Siemens | Teamcenter V2312 |
Affected:
0 , < V2312.0009
(custom)
|
|
| Siemens | Teamcenter V2406 |
Affected:
0 , < V2406.0006
(custom)
|
|
| Siemens | Teamcenter V2512 |
Unaffected:
0 , < *
(custom)
|
Credits
Thomas Rinsma of Codean Labs
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CVE-2026-39872 (GCVE-0-2026-39872)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:43 – Updated: 2026-06-29 21:46
VLAI
EPSS
VEX
Summary
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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CVE-2026-43663 (GCVE-0-2026-43663)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:43 – Updated: 2026-06-29 21:48
VLAI
EPSS
VEX
Summary
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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CVE-2026-43676 (GCVE-0-2026-43676)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-06-29 21:38
VLAI
EPSS
VEX
Summary
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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"scope": "UNCHANGED",
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CVE-2026-43699 (GCVE-0-2026-43699)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-06-29 21:37
VLAI
EPSS
VEX
Summary
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Processing maliciously crafted web content may lead to an unexpected process crash
- CWE-416 - Use After Free
Assigner
References
Impacted products
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"status": "affected",
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},
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"vendor": "Apple",
"versions": [
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"lessThan": "26.5.2",
"status": "affected",
"version": "0",
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"url": "https://support.apple.com/en-us/127685"
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CVE-2026-43701 (GCVE-0-2026-43701)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:43 – Updated: 2026-06-30 20:02
VLAI
EPSS
VEX
Summary
The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious website may be able to process restricted web content outside the sandbox.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- A malicious website may be able to process restricted web content outside the sandbox
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.1,
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"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
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]
}
],
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},
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"status": "affected",
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"vendor": "Apple",
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},
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"url": "https://support.apple.com/en-us/127685"
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CVE-2026-43705 (GCVE-0-2026-43705)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-06-30 03:55
VLAI
EPSS
VEX
Summary
A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to memory corruption.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- Processing maliciously crafted web content may lead to memory corruption
- CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
Impacted products
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
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},
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}
],
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}
]
}
],
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},
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"vendor": "Apple",
"versions": [
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"status": "affected",
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},
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"vendor": "Apple",
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CVE-2026-43707 (GCVE-0-2026-43707)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:43 – Updated: 2026-06-30 20:02
VLAI
EPSS
VEX
Summary
A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Processing maliciously crafted web content may lead to an unexpected process crash
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
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CVE-2026-43712 (GCVE-0-2026-43712)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-06-29 21:29
VLAI
EPSS
VEX
Summary
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
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CVE-2026-43713 (GCVE-0-2026-43713)
Vulnerability from cvelistv5 – Published: 2026-06-29 19:42 – Updated: 2026-06-30 20:04
VLAI
EPSS
VEX
Summary
A permissions issue was addressed with additional restrictions. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Visiting a website may leak sensitive data.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Visiting a website may leak sensitive data
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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