CVE-2021-29470
Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header
02 Description
Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header
03 Exploitation and scoring
- 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
- 1.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.8% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/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
- Moderate. 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.
04 Metadata
- Published
- 2021-04-23 00:00Z5 YR AGO
- Last updated
- 2024-08-03 22:11Z2 YR AGO
- Reserved
- 2021-03-30
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- b3b156ae7a054911d0bbacbc54c8e6378d8a8bcb1e8e04caca86f1e119e2ba47
05 Affected products
06 References
- github.comhttps://github.com/Exiv2/exiv2/security/advisories/GHSA-8949-hhfh-j7rj
- github.comhttps://github.com/Exiv2/exiv2/pull/1581
- lists.fedoraproject.orgFEDORA-2021-10d7331a31https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
- lists.fedoraproject.orgFEDORA-2021-2d860da728https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWZLDECIXXW3CCZ3RS4A3NG5X5VE4WZM/
- lists.fedoraproject.orgFEDORA-2021-96a5dabcfahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LBKWLTXM7IKZ4PVGKLUQVAVFAYGGF7QR/
- lists.fedoraproject.orgFEDORA-2021-be94728b95https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
- security.gentoo.orgGLSA-202312-06https://security.gentoo.org/glsa/202312-06
07 Fixed in
AlmaLinux 8
- exiv2 Fixed in 0.27.4-5.el8
- exiv2-devel Fixed in 0.27.4-5.el8
- exiv2-doc Fixed in 0.27.4-5.el8
- exiv2-libs Fixed in 0.27.4-5.el8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- exiv2 Fixed in 0.27.4-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- exiv2 Fixed in 0.27.4-5.el8
- exiv2-devel Fixed in 0.27.4-5.el8
- exiv2-doc Fixed in 0.27.4-5.el8
- exiv2-libs Fixed in 0.27.4-5.el8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- exiv2 Fixed in 0.27.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- exiv2 Fixed in 0.27.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- exiv2 Fixed in 0.27.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- exiv2 Fixed in 0.27.2-8ubuntu2.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.