🛡️ CVE-2023-25435 — libtiff

🟡 CVSS 5.5 — Medium ⚠️ Exploit Public CWE-120 NVD

5.5

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

libtiff 4.5.0 is vulnerable to Buffer Overflow via extractContigSamplesShifted8bits() at /libtiff/tools/tiffcrop.c:3753.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2023-25435 is classified as CWE-120: Classic Buffer Overflow. Input is copied into a fixed-size buffer without a length check, overwriting memory past the end of it.

Affected software

CVE-2023-25435 is recorded against 1 package.

libtiff

Timeline and source

Published on 21 June 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

gitlab.com
gitlab.com

CVE-2023-25435 on other distributions

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

BellSoft Debian Ubuntu

Details

Severity MEDIUM

CVSS Score 5.5

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE CWE-120

Public Exploit ⚠️ Yes

Source NVD

Published 2023-06-21

Updated 2026-08-11

Modified 2026-06-17

Fix URL https://gitlab.com/libtiff/libtiff/-/issues/518

Affected Packages

Software	From version	Fixed in
libtiff	—	—

References

Exploit, Issue Tracking, Patch, Vendor Advisory https://gitlab.com/libtiff/libtiff/-/issues/518

🔗 NVD 🔗 Mitre ✅ Fix / Advisory

Similar Threats

Exploit Protection

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