Advisory Database
  • Advisories
  • Dependency Scanning
  1. conan
  2. ›
  3. libarchive
  4. ›
  5. CVE-2020-21674

CVE-2020-21674: Out-of-bounds Write

October 15, 2020 (updated October 26, 2020)

Heap-based buffer overflow in archive_string_append_from_wcs() allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-21674

Code Behaviors & Features

Detect and mitigate CVE-2020-21674 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

Version 3.4.1

Fixed versions

  • 3.4.3

Solution

Upgrade to version 3.4.3 or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-787: Out-of-bounds Write

Source file

conan/libarchive/CVE-2020-21674.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:17:03 +0000.