Skip to content
Fencer Vulns
high 7.3

CVE-2024-20696 json

Windows libarchive Remote Code Execution Vulnerability

published 2024-01-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-18411

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Windows libarchive Remote Code Execution Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.5329
  • Microsoft Windows Server 2019 10.0.17763.5329
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.5329
  • Microsoft Windows Server 2022 10.0.20348.2227
  • Microsoft Windows 11 version 21H2 10.0.22000.2713
  • Microsoft Windows 10 Version 21H2 10.0.19044.3930
  • Microsoft Windows 11 version 22H2 10.0.22621.3007
  • Microsoft Windows 10 Version 22H2 10.0.19045.3930
  • Microsoft Windows 11 version 22H3 10.0.22631.3007
  • Microsoft Windows 11 Version 23H2 10.0.22631.3007
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.643
  • libarchive Debian 12 3.6.2-1+deb12u2
  • libarchive Debian 14, Debian 13 3.7.4-1.1

debian advisories DEBIAN-CVE-2024-20696

  • libarchive Ubuntu 20.04 LTS 3.4.0-2ubuntu1.4
  • libarchive Ubuntu 22.04 LTS 3.6.0-1ubuntu1.3
  • libarchive Ubuntu 24.04 LTS 3.7.2-2ubuntu0.3
  • libarchive Ubuntu Pro 14.04 LTS 3.1.2-7ubuntu2.8+esm4
  • libarchive Ubuntu Pro 16.04 LTS 3.1.2-11ubuntu0.16.04.8+esm2
  • libarchive Ubuntu Pro 18.04 LTS 3.2.2-3.1ubuntu0.7+esm2

ubuntu advisories UBUNTU-CVE-2024-20696

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libarchive Linux Micro 6.1 3.7.4-slfo.1.1_2.1
  • libarchive Linux Micro 6.0 3.6.2-3.1
  • libarchive SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, SLE Micro 5.5 +11 more 3.5.1-150400.3.15.1
  • libarchive SLE Module for Development Tools 15 SP6, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 3.7.2-150600.3.3.1
  • libarchive SLES for SAP 15 SP3, SLES for SAP 15 SP2, SLES 15 SP3-LTSS +4 more 3.4.2-150200.4.18.1
  • libarchive SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 3.3.3-32.11.1

suse advisories SUSE-SU-2025:20257-1SUSE-SU-2025:20050-1SUSE-SU-2024:2171-2SUSE-SU-2024:2171-1SUSE-SU-2024:2083-1SUSE-SU-2024:2082-1

  • libarchive openSUSE Tumbleweed 3.7.6-1.1

opensuse advisories openSUSE-SU-2024:14378-1

  • libarchive Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 3.7.5-r0

alpine advisories ALPINE-CVE-2024-20696

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-20696 updated cvss 7.5

libarchive: out-of-bounds access in copy_from_lzss_window_to_unp()

  • Red Hat Enterprise Linux 6 libarchive Red Hat Enterprise Linux 7 bsdtar, bsdcpio, libarchive Red Hat Enterprise Linux 8 bsdtar, libarchive Red Hat Enterprise Linux 9 bsdtar, libarchive Red Hat Enterprise Linux 10 libarchive
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.