01 Record
CVE-2026-112271
libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parser
MediumPUBLISHEDCNA: VulnCheck
CNA base score6.8 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
02 Description
libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parser
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 9.1% of scored records. A rank, not a probability.
- NVD base score
- 6.8 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-19.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-19 13:55Z10 DAYS AGO
- Last updated
- 2026-10-19 14:11Z10 DAYS AGO
- Reserved
- 2026-10-19
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.8)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.2
- Document digest
- 19c9b59a5bb3c377953239d96a833aa7d7a16d149bc32e6a59b36cf9fbeeb324
05 Affected products
VendorProductVersionsPlatforms
06 References
- hackmd.iohttps://hackmd.io/@haindpwn/libdisplay-info-displayid-datablock-overrun-oob-read
- gitlab.freedesktop.orghttps://gitlab.freedesktop.org/emersion/libdisplay-info/-/blob/0.4.0/displayid.c#L603-L689
- gitlab.freedesktop.orghttps://gitlab.freedesktop.org/emersion/libdisplay-info
- www.vulncheck.comVulnCheck Advisory: libdisplay-info through 0.4.0 Heap Out-of-Bounds Read via DisplayID v1 Parserhttps://www.vulncheck.com/advisories/libdisplay-info-through-0.4.0-heap-out-of-bounds-read-via-displayid-v1-parser
- hackmd.iohttps://hackmd.io/@haindpwn/cve-2026-112271-112272-libdisplay-info-displayid-datablock-overrun-oob-read