Bug 1201906 – VUL-1: CVE-2021-33461: yasm: Use-after-free in yasm_intnum_destroy() in libyasm/intnum.c

Bug 1201906 - (CVE-2021-33461) VUL-1: CVE-2021-33461: yasm: Use-after-free in yasm_intnum_destroy() in libyasm/intnum.c

(CVE-2021-33461)
Summary:	VUL-1: CVE-2021-33461: yasm: Use-after-free in yasm_intnum_destroy() in libya...

Status:	NEW

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P4 - Low Severity: Minor
Target Milestone:	---
Assigned To:	Michael Vetter
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/338227/
Whiteboard:	CVSSv3.1:SUSE:CVE-2021-33461:3.3:(AV:...
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Reported:	2022-07-27 08:16 UTC by Hu
Modified:	2022-07-27 12:00 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Hu 2022-07-27 08:16:22 UTC

CVE-2021-33461

An issue was discovered in yasm version 1.3.0. There is a use-after-free in
yasm_intnum_destroy() in libyasm/intnum.c.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33461
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33461
https://github.com/yasm/yasm/issues/161
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d

Comment 1 Hu 2022-07-27 08:16:54 UTC

I could not find a fix unfortunately.

Affected:
- SUSE:SLE-15:Update/yasm  1.3.0
- openSUSE:Factory/yasm    1.3.0