CVE-2021-31292
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Exiv2
PublishedJul 26, 2021
First seenJul 26, 2021
How to fix
Vendor advisories
- debian.org/security/2021/dsa-4958
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/
- security.gentoo.org/glsa/202312-06
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| exiv2 exiv2 | 0.27.3 | — |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 33, 34 | — |
| exiv2PyPI | No range specified | — |
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