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No exploitation reportedFix available

CVE-2021-31292

No exploitation reported by the sources we read.

  • Published2021-07-26
  • WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

Timeline

dates in UTC
  1. 2021-07-2617:15CVE publishedNVD

Versions per branch

NVD · OSV
Exiv2
BranchAffectedFixed in
0.27= 0.27.3no fix published
exiv2
BranchAffectedFixed in
—all versionsno fix published
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • compat-exiv2-026Rocky Linux:8all versions · fixed in 0:0.26-6.el8
  • compat-exiv2-026Red Hat:enterprise_linux:8::appstreamall versions · fixed in 0:0.26-6.el8and 2 other packages
  • compat-exiv2-026AlmaLinux:8all versions · fixed in 0.26-6.el8
  • exiv2SUSE:Manager Server 4.1all versions · fixed in 0.26-150000.6.16.1
  • exiv2SUSE:Manager Retail Branch Server 4.1all versions · fixed in 0.26-150000.6.16.1
  • exiv2SUSE:Manager Proxy 4.1all versions · fixed in 0.26-150000.6.16.1
  • exiv2SUSE:Linux Enterprise Server for SAP Applications 15 SP2all versions · fixed in 0.26-150000.6.16.1
  • exiv2SUSE:Linux Enterprise Server for SAP Applications 15 SP1all versions · fixed in 0.26-150000.6.16.1

31 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-31292 Red Hat Product Security62 products fixed · 12 known affected

    exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS

    exiv2-devel as a component of Red Hat Enterprise Linux 6 · exiv2-libs as a component of Red Hat Enterprise Linux 6 · exiv2.src as a component of Red Hat Enterprise Linux 6 · +9 more

  • RHSA-2021:4319 Red Hat Product Security16 products fixed

    Red Hat Security Advisory: compat-exiv2-026 security update

  • RHSA-2021:4173 Red Hat Product Security46 products fixed

    Red Hat Security Advisory: exiv2 security, bug fix, and enhancement update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2021:4319 · 16 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix planned, says the vendor Red Hat Product Security CVE-2021-31292 · 12 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2021-07-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6558-x489-9qhw

Frequently asked questions

What is CVE-2021-31292?

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

Is CVE-2021-31292 actively exploited?

Active exploitation of CVE-2021-31292 has not been confirmed. Its EPSS score was 2.6% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-31292?

CVE-2021-31292 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record