A heap-based buffer over-read that might affect a system that compiles untrusted Lua code in praydog/UEVR

published 2026-01-27 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-4767

cvss: 6.9; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Out-of-bounds Read vulnerability in praydog UEVR (dependencies/lua/src modules). This vulnerability is associated with program files lparser.C.

This issue affects UEVR: before 1.05.

Patch / fix

links 1

github.com/praydog/UEVR#337 pull request

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 9 mo ago (2026-01-27)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:L/U:Amber
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L/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:N/AU:Y/R:U/V:D/RE:L/U:Amber

Affected products

praydog UEVR

Classification

Weakness

CWE-125 Out-of-bounds Read

References

github.com /praydog/UEVR/pull/337
patch

Sources

CVE List CVE-2026-24818
NVD CVE-2026-24818

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary