[ CVE-2026-112271 · Published 19 Oct 2026 ]
Vulnerability in emersion libdisplay-info
CVSS 5.5
EPSS <1%No fix listed yet
[ Why it matters ]Priority signals
- Public proof-of-concept exploit exists (CISA SSVC)
[ Description ]Official description
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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- gitlab.freedesktop.org/emersion/libdisplay-info
- gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c
- hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read
- www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-…
- hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-overrun-…