Critical severity · published Apr 21, 2025
CVE-2025-43963
In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp allows out-of-buffer access because split_col and split_row values are not checked in 0x041f tag processing
9.1
CVSS
0.4%
EPSS
No
On KEV
Description
In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp allows out-of-buffer access because split_col and split_row values are not checked in 0x041f tag processing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libraw · Libraw
before 0.21.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43963
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43963
Patch
https://github.com/LibRaw/LibRaw/commit/be26e7639ecf8beb55f124ce780e99842de2e964
Patch
https://github.com/LibRaw/LibRaw/compare/0.21.3...0.21.4
Release Notes
https://www.libraw.org/news/libraw-0-21-4-release
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/04/msg00038.html
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