Buffer overflow in Libtiff
CVE-2023-26965
loadImage() in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based use after free via a crafted TIFF image.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/libtiff/libtiff/-/merge_requests/472 (Exploit, Patch, Issue Tracking)
- security.netapp.com/advisory/ntap-20230706-0009/
- lists.debian.org/debian-lts-announce/2023/07/msg00034.html (mailing-list)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-26965?
- CVE-2023-26965 is a medium-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-06-14.
- How severe is CVE-2023-26965?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-26965 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.