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Debian 11: libcaca Critical Buffer Overflow Issues Resolved DLA-4257-1

debian lts
Calendar Grey July 28, 2025
Dist Debian Esm H88
Recent Debian LTS patch addresses two significant heap buffer overflow vulnerabilities in libcaca. Users are urged to update promptly.
Two issues have been found in libcaca, a colour ASCII art library
Topics%20covered

Topics Covered

security advisory buffer overflow critical debian memory corruption libcaca

Summary

Two issues have been found in libcaca, a colour ASCII art library.
Both are related to heap buffer overflow, which might lead to memory
corruption.


For Debian 11 bullseye, these problems have been fixed in version
0.99.beta19-2.2+deb11u1.

We recommend that you upgrade your libcaca packages.

For the detailed security status of libcaca please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libcaca

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: libcaca
Version: 0.99.beta19-2.2+deb11u1
CVE ID: CVE-2021-30498 CVE-2021-30499

Topics%20covered

Topics Covered

security advisory buffer overflow critical debian memory corruption libcaca

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