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CVE-2023-5217 (GCVE-0-2023-5217)

Vulnerability from cvelistv5 – Published: 2023-09-28 15:23 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Summary
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-11-15 16:38 UTC
CWE
  • Heap buffer overflow
  • CWE-787 - Out-of-bounds Write
References
URL Tags
https://chromereleases.googleblog.com/2023/09/sta…
https://crbug.com/1486441
http://www.openwall.com/lists/oss-security/2023/09/28/5
http://www.openwall.com/lists/oss-security/2023/09/28/6
http://www.openwall.com/lists/oss-security/2023/09/29/1
http://www.openwall.com/lists/oss-security/2023/09/29/2
http://www.openwall.com/lists/oss-security/2023/09/29/7
http://www.openwall.com/lists/oss-security/2023/09/29/9
https://www.mozilla.org/en-US/security/advisories…
https://security-tracker.debian.org/tracker/CVE-2…
https://bugzilla.redhat.com/show_bug.cgi?id=2241191
https://stackdiary.com/google-discloses-a-webm-vp…
https://www.openwall.com/lists/oss-security/2023/…
https://pastebin.com/TdkC4pDv
https://github.com/webmproject/libvpx/commit/3fbd…
https://github.com/webmproject/libvpx/commit/af6d…
https://github.com/webmproject/libvpx/tags
http://www.openwall.com/lists/oss-security/2023/0…
http://www.openwall.com/lists/oss-security/2023/0…
http://www.openwall.com/lists/oss-security/2023/0…
https://www.debian.org/security/2023/dsa-5510
https://www.debian.org/security/2023/dsa-5509
https://www.debian.org/security/2023/dsa-5508
http://www.openwall.com/lists/oss-security/2023/09/30/1
https://lists.debian.org/debian-lts-announce/2023…
https://twitter.com/maddiestone/status/1707163313…
https://arstechnica.com/security/2023/09/new-0-da…
https://github.com/webmproject/libvpx/releases/ta…
http://www.openwall.com/lists/oss-security/2023/09/30/3
http://www.openwall.com/lists/oss-security/2023/09/30/2
http://www.openwall.com/lists/oss-security/2023/09/30/4
http://www.openwall.com/lists/oss-security/2023/09/30/5
https://lists.fedoraproject.org/archives/list/pac…
http://www.openwall.com/lists/oss-security/2023/10/01/2
http://www.openwall.com/lists/oss-security/2023/10/01/1
http://www.openwall.com/lists/oss-security/2023/10/01/5
https://lists.debian.org/debian-lts-announce/2023…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
http://www.openwall.com/lists/oss-security/2023/10/02/6
http://www.openwall.com/lists/oss-security/2023/1…
https://security.gentoo.org/glsa/202310-04
https://support.apple.com/kb/HT213961
https://lists.fedoraproject.org/archives/list/pac…
http://seclists.org/fulldisclosure/2023/Oct/12
https://lists.debian.org/debian-lts-announce/2023…
https://support.apple.com/kb/HT213972
http://seclists.org/fulldisclosure/2023/Oct/16
https://lists.fedoraproject.org/archives/list/pac…
https://security.gentoo.org/glsa/202401-34
https://www.cisa.gov/known-exploited-vulnerabilit… government-resource
Impacted products
Vendor Product Version CPE status
Google Chrome Affected: 117.0.5938.132 , < 117.0.5938.132 (custom)
guessed Create a notification for this product.
Google libvpx Affected: 1.13.1 , < 1.13.1 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-5217

Status: Confirmed

Status Updated: 2023-10-02 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2023-10-02
Asserted: 2023-10-02

Scope
Notes: KEV entry: Google Chromium libvpx Heap Buffer Overflow Vulnerability | Affected: Google / Chromium libvpx | Description: Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using libvpx, including but not limited to Google Chrome. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html; https://nvd.nist.gov/vuln/detail/CVE-2023-5217

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-787
Feed CISA Known Exploited Vulnerabilities Catalog
Product Chromium libvpx
Due Date 2023-10-23
Date Added 2023-10-02
Vendorproject Google
Vulnerabilityname Google Chromium libvpx Heap Buffer Overflow Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-5217

Status: Confirmed

Status Updated: 2023-10-02 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2023-10-02
Asserted: 2023-10-02

Scope
Notes: KEVIntel entry: Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially... | Affected: Google / Chrome, libvpx | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially...
Vendor Google
Product Chrome, libvpx
Added Date 2023-10-02T00:00:00.000Z
Cvss Score 8.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website

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        "cna": {
          "affected": [
            {
              "product": "Chrome",
              "vendor": "Google",
              "versions": [
                {
                  "lessThan": "117.0.5938.132",
                  "status": "affected",
                  "version": "117.0.5938.132",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "libvpx",
              "vendor": "Google",
              "versions": [
                {
                  "lessThan": "1.13.1",
                  "status": "affected",
                  "version": "1.13.1",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Heap buffer overflow",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-01-31T17:08:56.596Z",
            "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
            "shortName": "Chrome"
          },
          "references": [
            {
              "url": "https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html"
            },
            {
              "url": "https://crbug.com/1486441"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/28/5"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/28/6"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/1"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/2"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/7"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/9"
            },
            {
              "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/"
            },
            {
              "url": "https://security-tracker.debian.org/tracker/CVE-2023-5217"
            },
            {
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241191"
            },
            {
              "url": "https://stackdiary.com/google-discloses-a-webm-vp8-bug-tracked-as-cve-2023-5217/"
            },
            {
              "url": "https://www.openwall.com/lists/oss-security/2023/09/28/5"
            },
            {
              "url": "https://pastebin.com/TdkC4pDv"
            },
            {
              "url": "https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590"
            },
            {
              "url": "https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282"
            },
            {
              "url": "https://github.com/webmproject/libvpx/tags"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/11"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/12"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/29/14"
            },
            {
              "url": "https://www.debian.org/security/2023/dsa-5510"
            },
            {
              "url": "https://www.debian.org/security/2023/dsa-5509"
            },
            {
              "url": "https://www.debian.org/security/2023/dsa-5508"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/30/1"
            },
            {
              "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00038.html"
            },
            {
              "url": "https://twitter.com/maddiestone/status/1707163313711497266"
            },
            {
              "url": "https://arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-plague-other-software/"
            },
            {
              "url": "https://github.com/webmproject/libvpx/releases/tag/v1.13.1"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/30/3"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/30/2"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/30/4"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/09/30/5"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCVSHVX2RFBU3RMCUFSATVQEJUFD4Q63/"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/10/01/2"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/10/01/1"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/10/01/5"
            },
            {
              "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/55YVCZNAVY3Y5E4DWPWMX2SPKZ2E5SOV/"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CWEJYS5NC7KVFYU3OAMPKQDYN6JQGVK6/"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/10/02/6"
            },
            {
              "url": "http://www.openwall.com/lists/oss-security/2023/10/03/11"
            },
            {
              "url": "https://security.gentoo.org/glsa/202310-04"
            },
            {
              "url": "https://support.apple.com/kb/HT213961"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/"
            },
            {
              "url": "http://seclists.org/fulldisclosure/2023/Oct/12"
            },
            {
              "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html"
            },
            {
              "url": "https://support.apple.com/kb/HT213972"
            },
            {
              "url": "http://seclists.org/fulldisclosure/2023/Oct/16"
            },
            {
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/"
            },
            {
              "url": "https://security.gentoo.org/glsa/202401-34"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "assignerShortName": "Chrome",
        "cveId": "CVE-2023-5217",
        "datePublished": "2023-09-28T15:23:18.340Z",
        "dateReserved": "2023-09-27T01:52:05.679Z",
        "dateUpdated": "2025-10-21T23:05:36.191Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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