CVE-2021-29338

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 73.0% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. 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.

Published

2021-04-14 13:52Z5 YR AGO

Last updated

2025-11-03 19:25Z10 MO AGO

Reserved

2021-03-29

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

14155eedc1fb799f4a9475a0f9720845a11d2932a975b8ea91147c09b9c7e725

• github.comhttps://github.com/uclouvain/openjpeg/issues/1338x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-c1ac2ee5eehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-e145f477dfhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20220410 [SECURITY] [DLA 2975-1] openjpeg2 security updatehttps://lists.debian.org/debian-lts-announce/2022/04/msg00006.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-202209-04https://security.gentoo.org/glsa/202209-04vendor-advisoryx_refsource_GENTOO
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/04/msg00002.html