CVE-2021-31292: PYSEC-2021-877 - An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based…

CVE-2021-31292 · Severity: low · CVSS 3.1 · Published 2021-07-26

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.

Technologies: exiv2 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2021-31292 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-31292 being exploited in the wild.
How severe is CVE-2021-31292?
Low severity, with a CVSS score of 3.1, published 26 July 2021.
Which products and versions are affected?
exiv2 (PyPI) ECOSYSTEM:introduced=0.
Is there a fix for CVE-2021-31292?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2021-31292?
Check whether you run exiv2 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • exiv2 (PyPI) ECOSYSTEM:introduced=0

Identifiers

  • CVE-2021-31292
  • PYSEC-2021-877

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