CVE-2025-48174: In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow in stream-
CVE-2025-48174 is a medium-severity flaw (CVSS 4.5) affecting libavif. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow in stream->offset+size.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.5 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2025-05-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-48174?
libavif: upgrade to 1.3.0. Exact commands for each OS are on this page.
Is CVE-2025-48174 being exploited?
CVE-2025-48174 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-48174 affect?
CVE-2025-48174 affects libavif. Severity is medium (CVSS 4.5). In libavif before 1.3.0, makeRoom in stream.c has an integer overflow and resultant buffer overflow in stream->offset+size.
How urgent is CVE-2025-48174?
Priority 24/100. No elevated risk signals yet.
Related CVEs
- CVE-2025-48175 MEDIUM 4.5 UPGRADE In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer overflows in multiplications involving rg