Buffer overflow in Gif2apng Project
CVE-2021-45909
An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Gif2apng Project — versions 1.9
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- bugs.debian.org/cgi-bin/bugreport.cgi (Exploit, Mailing List, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2022/03/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45909?
- CVE-2021-45909 is a high-severity vulnerability in Gif2apng Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-12-28.
- How severe is CVE-2021-45909?
- High severity. CVSS v3 base score is 7.8 out of 10.