Libdisplay-info 0.4.0 contains a heap out-of-bounds read vulnerability in the DisplayID v2 section parser in displayid2.c that allows attackers to read past the EDID buffer via oversized data block lengths. Attackers can supply a crafted EDID from a malicious monitor, KVM, capture device, or file to over-advance the parse cursor and crash applications.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 2
- StatusReceived → DeferredNVD modified 2026-10-19 21:14
- First seenCVSS 6.8NVD modified 2026-10-19 14:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 5
- https://gitlab.freedesktop.org/emersion/libdisplay-info
- https://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid2.c#L84-L143
- https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read
- https://www.vulncheck.com/advisories/libdisplay-info-0.4.0-heap-out-of-bounds-read-via-displayid-v2-parser
- https://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read