CVE-2023-26966

libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.

CVSS v3.1

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

EPSS

0.42% chance of exploitation in the next 30 days, 35th percentile

Published

2023-06-29

Updated

2025-11-03

Proof-of-concept exploits (1)

• https://gitlab.com/libtiff/libtiff/-/issues/530

References

• CVE Record
• NVD entry

Related

• CVE-2023-26961
• CVE-2023-2697
• CVE-2023-2696
• CVE-2023-26974
• CVE-2023-26956
• CVE-2023-26976