CVE-2026-112271

EUVD-2026-104302
libdisplay-info through 0.4.0 contains a heap out-of-bounds read vulnerability in the DisplayID v1 section parser in displayid.c that occurs when a data block's declared length exceeds the section. Attackers can supply a crafted EDID from a malicious monitor, KVM, capture device, or EDID file to make is_all_zeroes read past the buffer, causing a possible crash.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 8.7%
Common Weakness Enumeration
References
https://gitlab.freedesktop.org/emersion/libdisplay-info
https://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c#L603-L689
https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read
https://www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-displayid-v1-parser
https://hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-overrun-oob-read