Vulnerability · Published Apr 21, 2021 · Assigned by mitre
CVE-2020-23922
High 7.1
In plain English
A high-severity security flaw in the giflib package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.1High
Exploit odds (30 days)2.2%top 17.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | giflib | no fix listed | DEBIAN-CVE-2020-23922 |
| Debian:13 | giflib | 5.2.2-1 | DEBIAN-CVE-2020-23922 |
| Debian:14 | giflib | 5.2.2-1 | DEBIAN-CVE-2020-23922 |
Affected products (as reported)
References
- https://sourceforge.net/p/giflib/bugs/151/ x_refsource_MISC
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list, x_refsource_MLIST
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 mailing-list, x_refsource_MLIST
- https://cwe.mitre.org/data/definitions/126.html x_refsource_MISC