Amazon Linux 2023 Security Advisory: ALAS2023-2026-1823
Advisory Released Date: 2026-06-22
Advisory Updated Date: 2026-06-22
Severity:
Important
Issue Overview:
A flaw was found in rrdcached, a component of rrdtool. A local attacker with access to a rrdcached socket can exploit a stack-based buffer overflow by sending an oversized CREATE request. This vulnerability can lead to a denial of service by crashing the daemon or potentially allow for arbitrary code execution, impacting the integrity and confidentiality of data. (CVE-2026-43958)
Affected Packages:
rrdtool
Issue Correction:
Run dnf update rrdtool --releasever 2023.12.20260622 or dnf update --advisory ALAS2023-2026-1823 --releasever 2023.12.20260622 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
rrdtool-perl-debuginfo-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-debuginfo-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-lua-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-lua-debuginfo-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-perl-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-devel-1.7.2-16.amzn2023.0.4.aarch64
python3-rrdtool-debuginfo-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-doc-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-debugsource-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-tcl-1.7.2-16.amzn2023.0.4.aarch64
python3-rrdtool-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-tcl-debuginfo-1.7.2-16.amzn2023.0.4.aarch64
rrdtool-1.7.2-16.amzn2023.0.4.aarch64
src:
rrdtool-1.7.2-16.amzn2023.0.4.src
x86_64:
rrdtool-debugsource-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-perl-debuginfo-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-debuginfo-1.7.2-16.amzn2023.0.4.x86_64
python3-rrdtool-debuginfo-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-tcl-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-tcl-debuginfo-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-1.7.2-16.amzn2023.0.4.x86_64
python3-rrdtool-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-lua-debuginfo-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-devel-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-doc-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-perl-1.7.2-16.amzn2023.0.4.x86_64
rrdtool-lua-1.7.2-16.amzn2023.0.4.x86_64