CVE-2025-43964: libraw
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2025-43964DEBIAN-CVE-2025-43964
Published 20-04-2025Last modified 03-11-2025
Vulnerability summary
CVE-2025-43964 is a critical (CVSS 9.8) vulnerability in libraw. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 9 · Related 7Timeline
- 20-04-2025PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
In LibRaw before 0.21.4, tag 0x412 processing in phase_one_correct in decoders/load_mfbacks.cpp does not enforce minimum w0 and w1 values.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 2.9–9.8
- CVE.orgCNA2.9LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 19-09-2026
19-09-202619-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu8 products
- darktableAll versions (No fix recorded)
- dcrawAll versions (No fix recorded)
- digikamAll versions (No fix recorded)
- exactimageAll versions (No fix recorded)
- kodiAll versions (No fix recorded)
Debian1 product
- libraw< 0.20.2-2.1+deb12u1 | < 0.21.4-1
Libraw1 product
- libraw< 0.21.4
3 vendors · 10 products
