Cyber Resilience

CVE-2022-26981

HighPublic PoC

Published: 13 March 2022

Published
13 March 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0041 61.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-26981 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Liblouis Liblouis. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 38.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

liblouis
liblouis
≤ 3.21.0
fedoraproject
fedora
36
apple
ipados
≤ 15.6
apple
iphone os
≤ 15.6
apple
macos
12.0 — 12.5
apple
tvos
≤ 15.6
apple
watchos
≤ 8.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References