Vulnerability Details : CVE-2023-29421
An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.
Vulnerability category: Memory Corruption
Products affected by CVE-2023-29421
- cpe:2.3:a:bzip3_project:bzip3:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-29421
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-29421
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2023-29421
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-29421
-
https://github.com/kspalaiologos/bzip3/issues/94
heap-based buffer overflow WRITE in bz3_decode_block() · Issue #94 · kspalaiologos/bzip3 · GitHubExploit;Issue Tracking;Patch
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4JLSE25SV7K2NB6FTFT4UHJOJUHBHYHY/
[SECURITY] Fedora 37 Update: bzip3-1.3.0-1.fc37 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NMLFV2FJK3CM7NJLVPZI5RUAFQZICPWW/
[SECURITY] Fedora 38 Update: bzip3-1.3.0-1.fc38 - package-announce - Fedora Mailing-Lists
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NA7S7HDUAINOTCSWQZ5LIW756DYY22V2/
[SECURITY] Fedora 36 Update: bzip3-1.3.0-1.fc36 - package-announce - Fedora Mailing-Lists
-
https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3
Comparing 1.2.2...1.2.3 · kspalaiologos/bzip3 · GitHubRelease Notes
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