Medium severity · published Jun 29, 2023
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
5.5
CVSS
0.4%
EPSS
No
On KEV
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:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libtiff · Libtiff
4.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-26966
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-26966
Exploit
https://gitlab.com/libtiff/libtiff/-/issues/530
Patch
https://gitlab.com/libtiff/libtiff/-/merge_requests/473
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/07/msg00034.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/01/msg00019.html
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