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Fencer Vulns
high 7.1

CVE-2021-32610 in the critical feed json

Directory Traversal in Archive_Tar

published 2021-07-21 5 y ago modified 2026-09-19 50 d ago also DRUPAL-CORE-2021-004 , GHSA-p8q8-jfcv-g2h2 , EUVD-2021-1814

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
73.4%
EPSS 73.4% chance of exploitation in 30 days, percentile 99.4%
public exploits
0
none known

Summary

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

Patch / fix

  • packagist pear/archive_tar 1.4.14
  • packagist drupal/core 8.9.17, 9.1.11, 9.2.2
  • php archive_tar 1.4.14
  • php-pear Debian 14, Debian 13, Debian 12 1:1.10.13+submodules+notgz-1

debian advisories DEBIAN-CVE-2021-32610

  • php-pear Ubuntu 18.04 LTS 1:1.10.5+submodules+notgz-1ubuntu1.18.04.4
  • php-pear Ubuntu 20.04 LTS 1:1.10.9+submodules+notgz-1ubuntu0.20.04.3
  • php-pear Ubuntu 22.04 LTS 1:1.10.12+submodules+notgz+20210212-1ubuntu1
  • php-pear Ubuntu Pro 16.04 LTS 1:1.10.1+submodules+notgz-6ubuntu0.3+esm1

ubuntu advisories UBUNTU-CVE-2021-32610

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • php RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • libzip RHEL 8 1.6.1-1.module+el8.3.0+6678+b09f589e
  • php-gd RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • php-cli RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • php-dba RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • php-dbg RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • php-ffi RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882
  • php-fpm RHEL 8 7.4.30-1.module+el8.7.0+15886+8e29b882

red hat advisories RHSA-2022:7628

  • php8-pear SLE Module for Web and Scripting 15 SP4, openSUSE Leap 15.4 1.10.21-150400.9.3.1

suse advisories SUSE-SU-2022:3198-2SUSE-SU-2022:3198-1

  • php AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0
  • libzip AlmaLinux 8 1.6.1-1.module_el8.6.0+2750+78feabcb
  • libzip AlmaLinux 8 1.6.1-1.module_el8.6.0+3239+bedf0508
  • php-gd AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0
  • php-cli AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0
  • php-dba AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0
  • php-dbg AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0
  • php-ffi AlmaLinux 8 7.4.30-1.module_el8.7.0+3286+227f3cf0

almalinux advisories ALSA-2022:7628

  • php Rocky Linux 8 7.4.30-1.module+el8.7.0+1067+0a7071cc
  • libzip Rocky Linux 8 1.6.1-1.module+el8.6.0+789+2130c178
  • libzip Rocky Linux 8 1.6.1-1.module+el8.4.0+415+e936cba3
  • php-pear Rocky Linux 8 1:1.10.13-1.module+el8.7.0+1067+0a7071cc
  • php-pear Rocky Linux 8 1:1.10.13-1.module+el8.6.0+1006+0d5a469f
  • php-pecl-rrd Rocky Linux 8 2.0.1-1.module+el8.4.0+414+2e7afcdd
  • php-pecl-zip Rocky Linux 8 1.18.2-1.module+el8.6.0+789+2130c178
  • php-pecl-zip Rocky Linux 8 1.18.2-1.module+el8.4.0+415+e936cba3

rocky linux advisories RLSA-2022:7628

  • drupal7 Alpine 3.20, Alpine 3.19, Alpine 3.18 +4 more 7.82-r0

alpine advisories ALPINE-CVE-2021-32610

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • nextcloud Arch Linux 22.2.0-1

arch linux advisories AVG-2225

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-32610 updated cvss 7.4

php-pear: Directory traversal vulnerability

  • Red Hat Enterprise Linux 6 php-pear Red Hat Enterprise Linux 7 php-pear
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 php-pear Red Hat Software Collections rh-php73-php-pear
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) php 7.4.30-1.module+el8.7.0+15886+8e29b882, libzip 1.6.1-1.module+el8.3.0+6678+b09f589e, php-gd 7.4.30-1.module+el8.7.0+15886+8e29b882, php-cli 7.4.30-1.module+el8.7.0+15886+8e29b882, php-dba 7.4.30-1.module+el8.7.0+15886+8e29b882, php-dbg 7.4.30-1.module+el8.7.0+15886+8e29b882, +28 more
    fixed: vendor fix RHSA-2022:7628
  • Red Hat Enterprise Linux 9 php-pear
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

73.38% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 3.6 AV:L/AC:L/Au:N/C:P/I:P/A:N
GitHub 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist pear/archive_tar
<1.4.14
1.4.14
packagist drupal/core
>=8.0.0, <8.9.17
>=9.1.0, <9.1.11
>=9.2.0, <9.2.2
8.9.17
9.1.11
9.2.2

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.