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.
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | exiv2 | all versions | no fix |
References
- https://github.com/Exiv2/exiv2/issues/1530
- https://www.debian.org/security/2021/dsa-4958
- https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
- 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/
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
-- Platform
- Python (PyPI)
- Package
exiv2- Disclosed
- 26.07.2021
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2021-877 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: exiv2
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 15
- First → latest
- 05.2017 08.2025
- Without a fix
- 12
- Exploited in attacks
- 0
Severity breakdown
- High 3
- Medium 10
- Low 2
Disclosures per year
- 2017: 1
- 2018: 4
- 2019: 1
- 2020: 0
- 2021: 2
- 2022: 0
- 2023: 2
- 2024: 2
- 2025: 3
- 2026: 0
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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. this entry
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