What’s Vulnerable › Vulnerabilities
CVE-2021-30499
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-05-27 · updated 2026-06-17
- Weakness: CWE-119
Description
A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.
Affected products
- Fedoraproject Fedora: 34, 35, 36
- Libcaca Project Libcaca: all versions
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1948679
- https://github.com/cacalabs/libcaca/issues/54
- https://lists.debian.org/debian-lts-announce/2024/04/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZSBCRN6EGQJUVOSD4OEEQ6XORHEM2CUL/
- https://bugzilla.redhat.com/show_bug.cgi?id=1948679
- https://github.com/cacalabs/libcaca/issues/54
- https://lists.debian.org/debian-lts-announce/2024/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2025/07/msg00019.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6WFGYICNTMNDNMDDUV4G2RYFB5HNJCOV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PC7EGOEQ5C4OD66ZUJJIIYEXBTZOCMZX/
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