Medium 6.5Published Oct 21, 2022

CVE-2022-3627LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6860, allowing attackers to cause a denial-of-service via a cr…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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It affects libtiff and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemcpy in libtiff/tif_unix.c:346 when called from extractImageSection, tools/tiffcrop.c:6860, 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 236b7191.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libtiff libtiff libtiff:libtiff	through 4.4.0	NVD
netapp active_iq_unified_manager netapp:active_iq_unified_manager	all versions	NVD
debian debian_linux debian:debian_linux	10.0; 11.0	NVD

References

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3627.json	third-party-advisory, vdb-entry
https://gitlab.com/libtiff/libtiff/-/commit/236b7191f04c60d09ee836ae13b50f812c841047	patch
https://gitlab.com/libtiff/libtiff/-/issues/411	exploit, patch, third-party-advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00018.html	third-party-advisory
https://security.netapp.com/advisory/ntap-20230110-0001/	third-party-advisory
https://www.debian.org/security/2023/dsa-5333	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.