CVE-2023-6277

Libtiff: out-of-memory in tiffopen via a craft file

An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.

Affected

Red Hat · Red Hat Enterprise Linux 6 · Red Hat Enterprise Linux 7 · Red Hat Enterprise Linux 8 · Red Hat Enterprise Linux 9

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

1.82% chance of exploitation in the next 30 days, 78th percentile

Published

2023-11-24

Updated

2026-01-22

Proof-of-concept exploits (1)

• https://gitlab.com/libtiff/libtiff/-/issues/614

Security advisories

• https://gitlab.com/libtiff/libtiff/-/merge_requests/545
• https://access.redhat.com/security/cve/CVE-2023-6277
• https://bugzilla.redhat.com/show_bug.cgi?id=2251311

References

• CVE Record
• NVD entry