Description
A heap-based buffer overflow issue was discovered in UPX in PackTmt::pack() in p_tmt.cpp file. The flow allows an attacker to cause a denial of service (abort) via a crafted file.
References (6)
Core 6
Core References
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2160381
Patch, Third Party Advisory
https://github.com/upx/upx/commit/510505a85cbe45e51fbd470f1aa8b02157c429d4
Exploit, Third Party Advisory
https://github.com/upx/upx/issues/632
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
Scores
CVSS v3
5.3
EPSS
0.0002
EPSS Percentile
6.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (3)
fedoraproject/fedora
36
fedoraproject/fedora
37
upx/upx
< 2022-11-24
Published
Jan 12, 2023
Tracked Since
Feb 18, 2026