CVE-2021-31292
7.5
HIGH
CVSS 3.1
EPSS 0.55%
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.
How to fix CVE-2021-31292
To remediate CVE-2021-31292, upgrade the affected package to a fixed version below.
- Debian/exiv2—upgrade to 0.27.3-3+deb11u1 or later
- PyPI/exiv2—no fix listed
Is CVE-2021-31292 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.27.3-3+deb11u1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |