9.1

CVE-2025-43962: libraw Out-of-bounds Read

CVSS: 9.1v3.1CriticalModified
AliasesUBUNTU-CVE-2025-43962DEBIAN-CVE-2025-43962
Published 20-04-2025Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2025-43962 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in libraw. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 7
DLA-4142-1MGASA-2025-0316OPENSUSE-SU-2025:15025-1SUSE-SU-2025:01569-1SUSE-SU-2025:01572-1SUSE-SU-2025:1380-1

Timeline

  1. 20-04-2025
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp has out-of-bounds reads for tag 0x412 processing, related to large w0 or w1 values or the frac and mult calculations.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

3 vendors · 10 products

References

8 links