CVE-2023-52425

medium

Published 2024-03-26 · Modified 2024-04-02

CVSS v3

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CVSS v2

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VIR risk

5.5

Description

libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2024-1530.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2268766

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2024-1615.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2024:1615

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2024-4259.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2262877

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2024:4259

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2023-52425.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-52425

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2024:1615

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2024:4259

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2024:1530

OS impact

OS	Version	Status	Fixed in
rhel	9	fixed
rocky	8	fixed
debian	bookworm	fixed	`2.5.0-1+deb12u2`
debian	bullseye	fixed	`2.2.10-2+deb11u6`
debian	forky	fixed	`2.6.0-1`
debian	sid	fixed	`2.6.0-1`
debian	trixie	fixed	`2.6.0-1`
sles		affected

References

Verify integrity in audit chain (admin only). AS-IS.