Medium severity5.5NVD Advisory· Published Oct 19, 2026· Updated Oct 19, 2026
CVE-2026-112271
CVE-2026-112271
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.
Affected products
1- Range: <=0.4.0
Patches
Vulnerability mechanics
References
4- gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.cnvd
- hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-overrun-oob-readnvd
- hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-readnvd
- www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-displayid-v1-parsernvd
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