What’s Vulnerable › Vulnerabilities

CVE-2021-32610

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 73.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-30 · updated 2026-06-17
• Weakness: CWE-59

Description

In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 33, 34, 35
• php Archive Tar: before 1.4.14 — fixed in 1.4.14

How to fix

Upgrade to a fixed version: php Archive Tar 1.4.14. Check the vendor advisory for mitigations.

References

• https://github.com/pear/Archive_Tar/commit/7789ebb2f34f9e4adb3a4152ad0d1548930a9755
• https://github.com/pear/Archive_Tar/commit/b5832439b1f37331fb4f87e67fe4f
• https://github.com/pear/Archive_Tar/releases/tag/1.4.14
• https://lists.debian.org/debian-lts-announce/2021/07/msg00023.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAODVMHGL5MHQWQAQTXQ7G7OE3VQZ7LS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G5LTY6COQYNMMHQJ3QIOJHEWCKD4XDFH/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
• https://www.drupal.org/sa-core-2021-004
• https://github.com/pear/Archive_Tar/commit/7789ebb2f34f9e4adb3a4152ad0d1548930a9755
• https://github.com/pear/Archive_Tar/commit/b5832439b1f37331fb4f87e67fe4f
• https://github.com/pear/Archive_Tar/releases/tag/1.4.14

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