VulnerabilityModified
CVE-2021-45909
There is a heap-based buffer overflow vulnerability in the DecodeLZW function.
HIGH 7.8EPSS 0.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- gif2apng project/gif2apng · debian/debian linux
- Source
- cve@mitre.org
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00008.htmlMailing List, Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00008.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.