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
EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Gif2apng_project Gif2apng — versions 1.9
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (mailing-list, x_refsource_MLIST, 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.