CVE-2022-2953 — LibTIFF 4

LibTIFF 4.4.0 has an out-of-bounds read in extractImageSection in tools/tiffcrop.c:6905, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 48d6ece8.

01What is this vulnerability?

LibTIFF 4.4.0 has an out-of-bounds read in extractImageSection in tools/tiffcrop.c:6905, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 48d6ece8.

02Affected products

Vendor	Product	Versions
libtiff	libtiff	<=4.4.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-08-29T00:00:00.000Z
• Last modified: 2024-08-03T00:53:00.658Z

09References

• gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/414
• gitlab.com — https://gitlab.com/libtiff/libtiff/-/commit/48d6ece8389b01129e7d357f0985c8f938ce…
• gitlab.com — https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2953.json
• security.netapp.com — https://security.netapp.com/advisory/ntap-20221014-0008/
• www.debian.org — https://www.debian.org/security/2023/dsa-5333