CVE-2023-0795 — LibTIFF 4
LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3488, 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 afaabc3e.
Published
2023-02-13T00:00:00.000Z
Last modified
2025-03-21T19:12:39.089Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
01What is this vulnerability?
LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3488, 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 afaabc3e.
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: 2023-02-13T00:00:00.000Z
- Last modified: 2025-03-21T19:12:39.089Z
09References
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/493
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e41…
- gitlab.com — https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0795.json
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/02/msg00026.html
- www.debian.org — https://www.debian.org/security/2023/dsa-5361
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230316-0003/
- security.gentoo.org — https://security.gentoo.org/glsa/202305-31
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