CVE-2022-4645 — LibTIFF 4
LibTIFF 4.4.0 has an out-of-bounds read in tiffcp in tools/tiffcp.c:948, 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 e8131125.
Published
2023-03-03T00:00:00.000Z
Last modified
2025-04-04T20:37:39.327Z
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 tiffcp in tools/tiffcp.c:948, 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 e8131125.
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: 2023-03-03T00:00:00.000Z
- Last modified: 2025-04-04T20:37:39.327Z
09References
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/277
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/commit/e813112545942107551433d61afd16ac094f…
- gitlab.com — https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4645.json
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230331-0001/
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