VDB
PYSEC-2021-877
PYSEC-2021-877
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | exiv2 | 0, 0.1, 0.11.0 |
Timeline
- Jul 26, 2021 CVE Published
- Oct 9, 2025 CVE Updated
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/ url
- https://github.com/Exiv2/exiv2/issues/1530 discussion
- https://www.debian.org/security/2021/dsa-4958 advisory
- https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html advisory