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6 vulnerabilities found for libcap by libcap_project

CVE-2026-4878 (GCVE-0-2026-4878)

Vulnerability from nvd – Published: 2026-04-09 14:49 – Updated: 2026-06-08 02:09
VLAI
Title
Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Summary
A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:12423 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:12441 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:13285 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:14162 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:14937 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19130 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19346 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19456 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19458 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:20595 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21254 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22634 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22957 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24346 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7473 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-4878 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2447554
https://bugzilla.redhat.com/show_bug.cgi?id=2451615 issue-trackingx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2026/04/07/4
http://www.openwall.com/lists/oss-security/2026/0…
http://www.openwall.com/lists/oss-security/2026/04/08/9
http://www.openwall.com/lists/oss-security/2026/04/09/5
http://www.openwall.com/lists/oss-security/2026/04/09/6
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.69-7.el10_1.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.69-7.el10_2.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:2.69-7.el10_0.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.48-6.el8_10.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
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Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.48-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:2.48-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.48-5.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.48-5.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.48-10.el9_7.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.48-10.el9_8.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.48-9.el9_2.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.48-9.el9_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/o:redhat:rhel_eus:9.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:2.48-9.el9_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/o:redhat:rhel_eus:9.6::baseos
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Red Hat Red Hat Discovery 2 Unaffected: 1778101579 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
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Red Hat Red Hat Discovery 2 Unaffected: 1778156756 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
Red Hat Red Hat Hardened Images Unaffected: 2.78-1.1.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
 Create a notification for this product.
Red Hat Red Hat Insights proxy 1.5 Unaffected: 1780420428 , < * (rpm)
    cpe:/a:redhat:insights_proxy:1.5::el9
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Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056267 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
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Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056233 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
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Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056245 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
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Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798159 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
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Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798164 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
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Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798165 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798222 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
 Create a notification for this product.
Date Public
2026-04-06 00:00
Credits
Red Hat would like to thank Ali Raza for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2023-2602 (GCVE-0-2023-2602)

Vulnerability from nvd – Published: 2023-06-06 00:00 – Updated: 2024-08-02 06:26
VLAI
Summary
A vulnerability was found in the pthread_create() function in libcap. This issue may allow a malicious actor to use cause __real_pthread_create() to return an error, which can exhaust the process memory.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libcap Affected: NA
Show details on NVD website
To clipboard 

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CVE-2023-2603 (GCVE-0-2023-2603)

Vulnerability from nvd – Published: 2023-06-06 00:00 – Updated: 2025-12-02 20:20
VLAI
Summary
A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libcap Affected: NA
Show details on NVD website
To clipboard 

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CVE-2026-4878 (GCVE-0-2026-4878)

Vulnerability from cvelistv5 – Published: 2026-04-09 14:49 – Updated: 2026-06-08 02:09
VLAI
Title
Libcap: libcap: privilege escalation via toctou race condition in cap_set_file()
Summary
A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
URL Tags
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https://access.redhat.com/errata/RHSA-2026:21275 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22634 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22957 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24346 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:7473 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-4878 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2447554
https://bugzilla.redhat.com/show_bug.cgi?id=2451615 issue-trackingx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2026/04/07/4
http://www.openwall.com/lists/oss-security/2026/0…
http://www.openwall.com/lists/oss-security/2026/04/08/9
http://www.openwall.com/lists/oss-security/2026/04/09/5
http://www.openwall.com/lists/oss-security/2026/04/09/6
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.69-7.el10_1.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.1
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.69-7.el10_2.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:2.69-7.el10_0.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux_eus:10.0
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.48-6.el8_10.1 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.48-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:2.48-4.el8_6.1 , < * (rpm)
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_eus_long_life:8.6::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.48-5.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.48-5.el8_8.1 , < * (rpm)
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.48-10.el9_7.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.48-10.el9_8.1 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.48-9.el9_2.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.48-9.el9_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/o:redhat:rhel_eus:9.4::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:2.48-9.el9_6.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.6::appstream
    cpe:/o:redhat:rhel_eus:9.6::baseos
 Create a notification for this product.
Red Hat Red Hat Discovery 2 Unaffected: 1778101579 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
Red Hat Red Hat Discovery 2 Unaffected: 1778156756 , < * (rpm)
    cpe:/a:redhat:discovery:2::el9
 Create a notification for this product.
Red Hat Red Hat Hardened Images Unaffected: 2.78-1.1.hum1 , < * (rpm)
    cpe:/a:redhat:hummingbird:1
 Create a notification for this product.
Red Hat Red Hat Insights proxy 1.5 Unaffected: 1780420428 , < * (rpm)
    cpe:/a:redhat:insights_proxy:1.5::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056267 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056233 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
 Create a notification for this product.
Red Hat Red Hat OpenShift distributed tracing 3.9.3 Unaffected: 1778056245 , < * (rpm)
    cpe:/a:redhat:openshift_distributed_tracing:3.9::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798159 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798164 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798165 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5 Unaffected: 1779798222 , < * (rpm)
    cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
 Create a notification for this product.
Date Public
2026-04-06 00:00
Credits
Red Hat would like to thank Ali Raza for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2023-2602 (GCVE-0-2023-2602)

Vulnerability from cvelistv5 – Published: 2023-06-06 00:00 – Updated: 2024-08-02 06:26
VLAI
Summary
A vulnerability was found in the pthread_create() function in libcap. This issue may allow a malicious actor to use cause __real_pthread_create() to return an error, which can exhaust the process memory.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libcap Affected: NA
Show details on NVD website
To clipboard 

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CVE-2023-2603 (GCVE-0-2023-2603)

Vulnerability from cvelistv5 – Published: 2023-06-06 00:00 – Updated: 2025-12-02 20:20
VLAI
Summary
A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libcap Affected: NA
Show details on NVD website
To clipboard 

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