🛡️ CVE-2022-25314 — debian-linux

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-190 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

(from https://nvd.nist.gov/vuln/detail/CVE-2022-25314) In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.

In copyString of xmlparse.c, there is a possible memory corruption due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2022-25314 is classified as CWE-190: Integer Overflow or Wraparound. Arithmetic produces a value too large for its type and wraps around, so a later size or bounds check passes when it should not.

Affected software

CVE-2022-25314 is recorded against 7 packages.

  • debian-linux
  • fedora
  • http-server
  • libexpat (fixed in 2.4.5)
  • platform/external/expat (from 12L:0 up to 12L:2022-09-01)
  • sinema-remote-connect-server (fixed in 3.1)
  • zfs-storage-appliance-kit

Timeline and source

Published on 18 February 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

www.openwall.com
cert-portal.siemens.com
github.com
lists.fedoraproject.org
lists.fedoraproject.org
security.gentoo.org
security.netapp.com
www.debian.org
www.oracle.com
www.openwall.com
cert-portal.siemens.com
github.com
lists.fedoraproject.org
lists.fedoraproject.org
security.gentoo.org

CVE-2022-25314 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-190
Public Exploit ✅ No
Source NVD
Published 2022-02-18
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
debian-linux
fedora
http-server
libexpat 2.4.5
platform/external/expat 12L:0 12L:2022-09-01
sinema-remote-connect-server 3.1
zfs-storage-appliance-kit

References

Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/02/19/1
Mailing List, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/02/19/1

Similar Threats

Site Security Check

Is debian-linux part of your stack?

CVE-2022-25314 is rated CVSS 7.5 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.