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VulnerabilityPublished Updated

CVE-2025-43964: In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp does

Source GCVE Database

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Authoritative record:CVE-2025-43964· Low 2.9

Not known to be exploited · CVSS 2.9 Low · fixed in 0.21.4 : update LibRaw when convenient.

Data as of 30 Oct 2026, 01:34 UTC

CVSS 3.1 base score
2.9Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (mitre)CVSS 3.12.9
Affects
LibRaw before 0.21.4
Patch
Available – fixed in 0.21.4
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Apr 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

Upgrade to LibRaw version 0.21.4 or later where this issue is fixed. No other mitigation actions are indicated.

Description

A vulnerability in LibRaw versions before 0.21.4 involves improper enforcement of minimum values for parameters w0 and w1 during processing of tag 0x412 in the phase_one_correct function within decoders/load_mfbacks.cpp. This flaw may lead to a low-severity impact on availability.

References

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