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5.3 Medium

CVE-2024-12133 Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos

Description

A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate, causing a denial of service attack.

CVSS 3.1 detail

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitable remotely over the network, without an account and without any user action; the impact on data or service is limited.

Attack vector
Network
Attack complexity
Low
Privileges required
None
Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Affected products and versions

Product Affected versions Fixed in
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 9.4 Extended Update Support Versions not published
Red Hat Discovery 1.14 1.14 earliest → < 1.14.2-1748467619 1.14.2-1748467619
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 6 Versions not published
Red Hat Enterprise Linux 7 Versions not published
Red Hat OpenShift Container Platform 4 Versions not published
Show the 20 other branches
Product Affected versions Fixed in
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 3.1.5 → latest No fix stated
RUGGEDCOM ROX MX5000 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX MX5000RE 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1400 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1500 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1501 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1510 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1511 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1512 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1524 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX1536 2.17 earliest → < 2.17.0 2.17.0
RUGGEDCOM ROX RX5000 2.17 earliest → < 2.17.0 2.17.0
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Versions not published
Red Hat Enterprise Linux 8.8 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Versions not published

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CVE-2026-123876 Podman: containers-common: containers-common: default seccomp af_vsock/netlink_audit deny rules bypassable via 32-bit truncation 4.4 Medium CVE-2026-120749 Dbus: dbus-daemon: dbus-daemon aborts (reply_serial != 0) when a broadcast from the driver cannot be delivered to a monitored bus 6.2 Medium CVE-2026-123037 Ansible-core: user module generate_ssh_key follows a symlinked ~/.ssh enabling local privilege escalation (incomplete fix of cve-2024-9902) 6.7 Medium CVE-2026-123151 Gdb: gdb: stack buffer overflow in parse_tsv_definition via stale rs->buf tail Not rated
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