CVE-2026-112271
mediumlibdisplay-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'…
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://gitlab.freedesktop.org/emersion/libdisplay-info disclosure@vulncheck.com
- https://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c#L603-L689 disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read... disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-ove... 134c704f-9b21-4f2e-91b3-4a467353bcc0