CVE-2021-30499: Buffer Overflow
First published: Mon Apr 12 2021(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libcaca project libcaca | ||
| Fedora | =34 | |
| Fedora | =35 | |
| Fedora | =36 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1948679
- https://github.com/cacalabs/libcaca/issues/54
- 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://lists.debian.org/debian-lts-announce/2024/04/msg00004.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1948681
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1948680
Frequently Asked Questions
What is the severity of CVE-2021-30499?
CVE-2021-30499 has a medium severity rating due to the potential for memory corruption.
How do I fix CVE-2021-30499?
To fix CVE-2021-30499, update to the latest version of libcaca that addresses the buffer overflow issue.
What versions of libcaca are affected by CVE-2021-30499?
CVE-2021-30499 affects all versions of libcaca prior to the security fix.
How does CVE-2021-30499 potentially affect my system?
CVE-2021-30499 could lead to memory corruption, which may allow unauthorized code execution.
What components in Fedora are impacted by CVE-2021-30499?
CVE-2021-30499 impacts Fedora versions 34, 35, and 36 that include vulnerable libcaca.
- agent/type
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-30499
- agent/severity
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/tags
- agent/weakness
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/libcaca project
- canonical/libcaca project libcaca
- vendor/fedoraproject
- canonical/fedora
- version/fedora/34
- version/fedora/35
- version/fedora/36