CVE-2025-43963
CRITICALCVSS 9.1/10EPSS 0.37%
Last modified
CVE-2025-43963 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libraw | Libraw | < 0.21.4 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2025-43963?
CVE-2025-43963 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2025-43963?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-43963?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST