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01 Record

CVE-2021-29458

Out-of-bounds read in Exiv2::Internal::CrwMap::encode

UnratedPUBLISHEDCNA: GitHub_M
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

Out-of-bounds read in Exiv2::Internal::CrwMap::encode

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
1.56% 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
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
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
2021-04-19 00:00Z5 YR AGO
Last updated
2024-08-03 22:02Z2 YR AGO
Reserved
2021-03-30
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-125Out-of-bounds ReadBase
  • CWE-190Integer Overflow or WraparoundBase
Data version
5.1
Document digest
e28d3c783dbe2968391a92aeb211f68a6ab01ad056cc00418db885b4fe0c1619

05 Affected products

VendorProductVersionsPlatforms
Exiv2exiv2< 0.27.4—

06 References

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 18.04 LTS

  • exiv2
    Fixed in 0.25-3.1ubuntu0.18.04.7

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. 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.

Ubuntu Pro 16.04 LTS

  • exiv2
    Fixed in 0.25-2.1ubuntu16.04.7+esm1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

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.