🛡️ CVE-2022-25314 — debian-linux
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Similar Threats
- Critical CVE-2022-0194
- High CVE-2022-0367
- Medium CVE-2022-0171
- High CVE-2022-0135
- High CVE-2022-0204
More CVE 2022 advisories
Browse all of CVE 2022 in the advisory index.
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