CVE-2021-31292
HIGH
7.5
CVSS Score
Published: July 26, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:51 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraExiv2
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/Exiv2/exiv2/issues/1530
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/
- https://security.gentoo.org/glsa/202312-06
- https://www.debian.org/security/2021/dsa-4958
References (6)
ExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/Exiv2/exiv2/issues/1530Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.htmlVendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4958CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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