9.8

CVE-2024-56431

Exploit
oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift. NOTE: this is disputed by third parties because there is no evidence of a security impact, e.g., an application would not crash.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Xiph ≫ Theora Version < 1.2.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.82% 0.76
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
Exploit
https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
Product
https://github.com/xiph/theora/issues/17#issuecomment-2480630603
Issue Tracking
http://www.openwall.com/lists/oss-security/2025/04/25/4
https://www.openwall.com/lists/oss-security/2025/04/25/6
http://www.openwall.com/lists/oss-security/2025/04/25/6