CVE-2026-112271
MEDIUM
CVSS 5.5
Published: 2026-10-19
Modified: 2026-10-19
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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.
Quick Facts
| CVE ID | CVE-2026-112271 |
| CVSS Score | 5.5 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Published | 2026-10-19 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://gitlab.freedesktop.org/emersion/libdisplay-info
- https://gitlab.freedesktop.org/emersion/libdisplay-info/-/bl…
- https://hackmd.io/@haindpwn/libdisplay-info-displayid-databl…
- https://www.vulncheck.com/advisories/libdisplay-info-through…
- https://hackmd.io/@haindpwn/cve-2026-112271-112272-libdispla…