CVE-2026-4424

Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing

State
Published
Severity
7.5 High
Published
Mar 19, 2026
Updated
Oct 14, 2026
Reserved
Mar 19, 2026

Read the record on cve.org

Description

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nredhat
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nredhat-SADP

Weaknesses

Affected Products

ProductVersions
Red Hat Enterprise Linux 10Red Hat
  • 0:3.7.7-8.el10_1 and laterNot affected
Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat
  • 0:3.7.7-5.el10_0 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
  • 0:3.1.2-14.el7_9.2 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:3.3.3-7.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
  • 0:3.3.2-8.el8_2.2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
  • 0:3.3.3-1.el8_4.2 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat
  • 0:3.3.3-1.el8_4.2 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat
  • 0:3.3.3-6.el8_6.1 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat
  • 0:3.3.3-6.el8_6.1 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat
  • 0:3.3.3-6.el8_6.1 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat
  • 0:3.3.3-5.el8_8.2 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat
  • 0:3.3.3-5.el8_8.2 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:3.5.3-9.el9_7 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:3.5.3-9.el9_7 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat
  • 0:3.5.3-2.el9_0.4 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat
  • 0:3.5.3-5.el9_2.2 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat
  • 0:3.5.3-5.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat
  • 0:3.5.3-7.el9_6.1 and laterNot affected
Red Hat OpenShift Container Platform 4.12Red Hat
  • 412.86.202604281506-0 and laterNot affected
Red Hat OpenShift Container Platform 4.13Red Hat
  • 413.92.202605271328-0 and laterNot affected
Red Hat OpenShift Container Platform 4.14Red Hat
  • 414.92.202605060243-0 and laterNot affected
Red Hat OpenShift Container Platform 4.15Red Hat
  • 415.92.202605060220-0 and laterNot affected
Red Hat OpenShift Container Platform 4.16Red Hat
  • 416.94.202604211449-0 and laterNot affected
Red Hat OpenShift Container Platform 4.17Red Hat
  • 417.94.202605112123-0 and laterNot affected
Red Hat OpenShift Container Platform 4.18Red Hat
  • 418.94.202604240015-0 and laterNot affected
Red Hat OpenShift Container Platform 4.19Red Hat
  • 4.19.9.6.202605201155-0 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325677 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325711 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325710 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-3.1777325680 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325709 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325680 and laterNot affected
RHEL-8 based Middleware ContainersRed Hat
  • 7.13.5-4.1777325708 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791371080 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791371069 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791788287 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.17Red Hat
  • 1791970484 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459707 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459711 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791459759 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1789029076 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.18Red Hat
  • 1791966259 and laterNot affected
Cert Manager support for Red Hat OpenShift release 1.20Red Hat
  • 1790598593 and laterNot affected
Red Hat AI Inference Server 3.2Red Hat
  • 1779223654 and laterNot affected
Red Hat AI Inference Server 3.2Red Hat
  • 1779223651 and laterNot affected
Red Hat AI Inference Server 3.2Red Hat
  • 1780681984 and laterNot affected
Red Hat AI Inference Server 3.3Red Hat
  • 1778244559 and laterNot affected
Red Hat AI Inference Server 3.3Red Hat
  • 1778244531 and laterNot affected
Red Hat AI Inference Server 3.3Red Hat
  • 1778274666 and laterNot affected
Red Hat AI Inference Server 3.3Red Hat
  • 1778244546 and laterNot affected
Red Hat Discovery 2Red Hat
  • 1778101579 and laterNot affected
Red Hat Discovery 2Red Hat
  • 1778156756 and laterNot affected
Red Hat Hardened ImagesRed Hat
  • 3.8.7-1.hum1 and laterNot affected
Red Hat Insights proxy 1.5Red Hat
  • 1776868961 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1776868774 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1776868744 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1776868772 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1776868842 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1777459441 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1777454300 and laterNot affected
Red Hat Update Infrastructure 5Red Hat
  • 1777459504 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

    References

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