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CVE-2025-9165

LibTIFF tiffcmp tiffcmp.c InitCCITTFax3 memory leak

LOW
2.5
CVSS Score
Published: August 19, 2025 at 08:02 PM UTC
Updated: June 17, 2026 at 10:08 AM UTC
1 product affected across 1 vendorLibTIFF

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Severity
LOW2.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A flaw has been found in LibTIFF 4.7.0. This affects the function _TIFFmallocExt/_TIFFCheckRealloc/TIFFHashSetNew/InitCCITTFax3 of the file tools/tiffcmp.c of the component tiffcmp. Executing manipulation can lead to memory leak. The attack is restricted to local execution. The exploit has been published and may be used. This patch is called ed141286a37f6e5ddafb5069347ff5d587e7a4e0. It is best practice to apply a patch to resolve this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (10)

Product
Source: [email protected]
http://www.libtiff.org/
Exploit
Source: [email protected]
https://drive.google.com/file/d/1FWhmkzksH8-qU0ZM6seBzGNB3aPnX3G8/view?usp=sharing
Patch
Source: [email protected]
https://gitlab.com/libtiff/libtiff/-/commit/ed141286a37f6e5ddafb5069347ff5d587e7a4e0
Issue TrackingExploitVendor Advisory
Source: [email protected]
https://gitlab.com/libtiff/libtiff/-/issues/728
PatchIssue TrackingVendor Advisory
Source: [email protected]
https://gitlab.com/libtiff/libtiff/-/merge_requests/747
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.320543
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.320543
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.630506

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.5LOWVulDB
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401CWE-404

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