Cyber Resilience

CVE-2020-27841

Medium

Published: 05 January 2021

Published
05 January 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0036 58.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-27841 is a medium-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Debian Debian Linux. Its CVSS base score is 5.5 (Medium).

Operationally, ranked in the top 41.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

There's a flaw in openjpeg in versions prior to 2.4.0 in src/lib/openjp2/pi.c. When an attacker is able to provide crafted input to be processed by the openjpeg encoder, this could cause an out-of-bounds read. The greatest impact from this flaw…

more

is to application availability.

CWE(s)
CWE-122CWE-787

Related Threats

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

Affected Assets

uclouvain
openjpeg
≤ 2.4.0
fedoraproject
fedora
32
debian
debian linux
10.0, 9.0
oracle
outside in technology
8.5.5

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.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References