CVE-2023-26966 — Classic Buffer Overflow in Libtiff

CWE-120 — Classic Buffer Overflow14 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 92.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linux KernelLibtiff
Timeline
PublishedJun 29
Latest updateJun 4

Description

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 vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶NVDlibtiff/libtiff4.5.0
▶Ubuntulinux/linux_kernel< 4.4.0-269.303

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

8
OSV
linux, linux-aws, linux-kvm vulnerabilities↗2025-06-04
▶
OSV
linux-aws, linux-lts-xenial vulnerabilities↗2025-06-04
▶
OSV
linux-fips vulnerabilities↗2025-06-04
▶
OSV
tiff vulnerabilities↗2023-08-15
▶
OSV
tiff vulnerabilities↗2023-07-13
▶

📋Vendor Advisories

5
Ubuntu
LibTIFF vulnerabilities↗2023-08-15
▶
Ubuntu
LibTIFF vulnerabilities↗2023-07-13
▶
Microsoft
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.↗2023-06-13
▶
Red Hat
libtiff: Buffer Overflow in uv_encode()↗2023-02-15
▶
Debian
CVE-2023-26966: tiff - libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads...↗2023
▶