🛡️ CVE-2025-8851 — libtiff

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-119 NVD

5.3

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

A vulnerability was determined in LibTIFF up to 4.5.1. Affected by this issue is the function readSeparateStripsetoBuffer of the file tools/tiffcrop.c of the component tiffcrop. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The patch is identified as 8a7a48d7a645992ca83062b3a1873c951661e2b3. It is recommended to apply a patch to fix this issue.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2025-8851 is classified as CWE-119: Improper Restriction of Operations within Memory Buffer Bounds. A read or write is performed without confirming it stays inside the allocated buffer, corrupting adjacent memory.

Affected software

CVE-2025-8851 is recorded against 1 package.

libtiff (fixed in 4.5.1)

Timeline and source

Published on 11 August 2025 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.libtiff.org
gitlab.com
vuldb.com
vuldb.com
vuldb.com
vuldb.com

CVE-2025-8851 on other distributions

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

Debian Debian 12 (Root.io)Ubuntu

Details

Severity MEDIUM

CVSS Score 5.3

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

CWE CWE-119

Public Exploit ✅ No

Source NVD

Published 2025-08-11

Updated 2026-08-20

Modified 2026-06-17

Fix URL https://gitlab.com/libtiff/libtiff/-/commit/8a7a48d7a645992ca83062b3a1873c951661e2b3

Affected Packages

Software	From version	Fixed in
libtiff	—	4.5.1

References

Product http://www.libtiff.org/

Patch https://gitlab.com/libtiff/libtiff/-/commit/8a7a48d7a645992ca83062b3a1873c951661e2b3

Permissions Required, VDB Entry https://vuldb.com/?ctiid.319382

Third Party Advisory, VDB Entry https://vuldb.com/?id.319382

Third Party Advisory, VDB Entry https://vuldb.com/?submit.624604

🔗 NVD 🔗 Mitre ✅ Fix / Advisory

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