Home/CVE/A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw
CVE

CVE-2020-27814

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an application.

HIGH · CVSS 7.8 EPSS 0.00924
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
▤

Affected Products & Versions

3
uclouvain openjpeg<= 1.5.1
uclouvain openjpeg>= 2.0.0 and < 2.4.0
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · 1283github.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jan 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

8
msrcCVE-2020-27814
suse-csafopenSUSE-SU-2024:13571-1
usnUSN-5952-1
suse-csafSUSE-SU-2022:3802-1
rhsaRHSA-2021:4251Moderate
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1901998Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
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