What’s Vulnerable › Vulnerabilities
CVE-2020-23922
- Severity: high (CVSS 7.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-04-21 · updated 2026-06-17
- Weakness: CWE-125
Description
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
Affected products
- Apache Software Foundation Apache BookKeeper: 4.12.1
- giflib: through 5.1.4
References
- https://cwe.mitre.org/data/definitions/126.html
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://sourceforge.net/p/giflib/bugs/151/
- https://cwe.mitre.org/data/definitions/126.html
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://sourceforge.net/p/giflib/bugs/151/
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