PT-2024-26434 · Libyaml · Libyaml

Published 2024-06-13 · Updated 2024-08-28 · CVE-2024-35326

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libyaml version 0.2.5

Description The issue is related to a Buffer Overflow vulnerability. It affects the yaml emitter emit function in the /src/libyaml/src/emitter.c file. The manipulation leads to a double-free.

Recommendations For libyaml version 0.2.5, consider disabling the yaml emitter emit function as a temporary workaround until a patch is available. Restrict access to the /src/libyaml/src/emitter.c file to minimize the risk of exploitation. Avoid using the affected function in critical operations until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2024-35326

Affected Products

Libyaml

References · 9

• 🔥 https://github.com/idhyt/pocs/blob/main/libyaml/CVE-2024-35326.c · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-35326 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-35326 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35326 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-35326 · Security Note
• https://cve.org/CVERecord?id=CVE-2024-35326 · Security Note
• https://t.me/cvenotify/89470 · Telegram Post
• https://twitter.com/CVEnew/status/1801311440282009724 · Twitter Post
• https://t.me/cvenotify/83164 · Telegram Post