Bug 1226343

Summary:	VUL-0: CVE-2024-35326: perl-YAML-LibYAML: libyaml: double-free in yaml_emitter_emit in /src/libyaml/src/emitter.c
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Camila Camargo de Matos <camila.matos>
Component:	Incidents	Assignee:	Petr Gajdos <pgajdos>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Major
Priority:	P3 - Medium	CC:	camila.matos, security-team, smash_bz
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/410665/
Whiteboard:
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---
Bug Depends on:
Bug Blocks:	1226340

Description Camila Camargo de Matos 2024-06-14 13:27:15 UTC

+++ This bug was initially created as a clone of Bug #1226340 +++

libyaml v0.2.5 is vulnerable to Buffer Overflow. Affected by this issue is the function yaml_emitter_emit of the file /src/libyaml/src/emitter.c. The manipulation leads to a double-free.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-35326
https://www.cve.org/CVERecord?id=CVE-2024-35326
https://github.com/idhyt/pocs/blob/main/libyaml/CVE-2024-35326.c
https://bugzilla.redhat.com/show_bug.cgi?id=2292351

Comment 1 Camila Camargo de Matos 2024-06-14 17:27:03 UTC

See bug #1226340 for a reference link which is the upstream GitHub issue where this possible vulnerability is being discussed.

Comment 2 Petr Gajdos 2024-06-20 06:55:07 UTC

So the link is
https://github.com/yaml/libyaml/issues/298