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Fencer Vulns
low 2.3

CVE-2022-31628 json

phar wrapper can occur dos when using quine gzip file

published 2022-09-28 4 y ago modified 2026-09-08 2 mo ago also BIT-libphp-2022-31628 , BIT-php-2022-31628 , BIT-php-min-2022-31628 , EUVD-2022-53080

cvss
2.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.

Patch / fix

  • bitnami libphp 7.4.31, 8.0.24, 8.1.11
  • bitnami php 7.4.31, 8.0.24, 8.1.11
  • bitnami php-min 7.4.31, 8.0.24, 8.1.11
  • PHP Group PHP 7.4.31, 8.0.24, 8.1.11
  • php7.4 Debian 11 7.4.33-1+deb11u1

debian advisories DEBIAN-CVE-2022-31628

  • php7.2 Ubuntu 18.04 LTS 7.2.24-0ubuntu0.18.04.15
  • php7.4 Ubuntu 20.04 LTS 7.4.3-4ubuntu2.15
  • php8.1 Ubuntu 22.04 LTS 8.1.2-1ubuntu2.8
  • php7.0 Ubuntu Pro 16.04 LTS 7.0.33-0ubuntu0.16.04.16+esm5

ubuntu advisories UBUNTU-CVE-2022-31628

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 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • libzip RHEL 8 1.6.1-1.module+el8.3.0+6678+b09f589e
  • php-gd RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • php-cli RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • php-dba RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • php-dbg RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • php-ffi RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa
  • php-fpm RHEL 8 7.4.33-1.module+el8.8.0+17865+ef7eddfa

red hat advisories RHSA-2023:2903RHSA-2023:2417RHSA-2023:0965RHSA-2023:0848

  • php7 SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +10 more 7.4.33-150200.3.46.2
  • php7-test openSUSE Leap 15.3 7.4.33-150200.3.46.2
  • php74 SLE Software Development Kit 12 SP5, SLE Module for Web and Scripting 12 7.4.33-1.47.2
  • php7 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +8 more 7.2.34-150000.4.103.1
  • php7 SLE Module for Legacy 15 SP4, openSUSE Leap 15.4 7.4.33-150400.4.13.1
  • php7-fpm SLE Module for Legacy 15 SP4, openSUSE Leap 15.4 7.4.33-150400.4.13.1
  • php7-test openSUSE Leap 15.4 7.4.33-150400.4.13.2
  • php7-embed SLE Module for Package Hub 15 SP4, openSUSE Leap 15.4 7.4.33-150400.4.13.1

suse advisories SUSE-SU-2022:4069-1SUSE-SU-2022:4068-1SUSE-SU-2022:4067-1SUSE-SU-2022:3997-1SUSE-SU-2022:3957-1SUSE-SU-2022:3830-1

  • php7 openSUSE Tumbleweed 7.4.32-1.1
  • php8 openSUSE Tumbleweed 8.1.11-1.1

opensuse advisories openSUSE-SU-2024:12377-1openSUSE-SU-2024:12384-1

  • php AlmaLinux 8 7.4.33-1.module_el8.8.0+3477+f828cbb0
  • 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 7.4.33-1.module_el8.8.0+3477+f828cbb0
  • php-cli AlmaLinux 8 7.4.33-1.module_el8.8.0+3477+f828cbb0
  • php-dba AlmaLinux 8 7.4.33-1.module_el8.8.0+3477+f828cbb0
  • php-dbg AlmaLinux 8 7.4.33-1.module_el8.8.0+3477+f828cbb0
  • php-ffi AlmaLinux 8 7.4.33-1.module_el8.8.0+3477+f828cbb0

almalinux advisories ALSA-2023:2903ALSA-2023:2417ALSA-2023:0965ALSA-2023:0848

  • php-pecl-rrd Rocky Linux 9 2.0.3-4.module+el9.7.0+40005+715283ec
  • php-pecl-rrd Rocky Linux 9 2.0.3-4.module+el9.7.0+40004+bf50a568
  • php-pecl-rrd Rocky Linux 9 2.0.3-4.module+el9.7.0+40003+454ed3c4
  • php-pecl-zip Rocky Linux 9 1.20.1-1.module+el9.7.0+40003+454ed3c4
  • php-pecl-apcu Rocky Linux 9 5.1.21-1.module+el9.7.0+40003+454ed3c4
  • php-pecl-xdebug3 Rocky Linux 9 3.1.4-1.module+el9.7.0+40003+454ed3c4
  • php Rocky Linux 8 7.4.33-1.module+el8.10.0+1604+6558efc7
  • libzip Rocky Linux 8 1.6.1-1.module+el8.10.0+1912+72767185

rocky linux advisories RLSA-2023:2417RLSA-2023:2903RLSA-2023:0965RLSA-2023:0848

  • php7 Alpine 3.15, Alpine 3.14 7.4.32-r0
  • php8 Alpine 3.16, Alpine 3.14 8.0.24-r0
  • php8 Alpine 3.15 8.0.25-r0
  • php81 Alpine 3.19, Alpine 3.18, Alpine 3.17 +1 more 8.1.11-r0

alpine advisories ALPINE-CVE-2022-31628

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

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-2022-31628 updated cvss 4.4

php: phar: infinite loop when decompressing quine gzip file

  • Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more Red Hat Enterprise Linux 7 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +18 more
    affected: no fix planned “Out of support scope”
  • Red Hat Software Collections rh-php73-php, rh-php73-php-gd, rh-php73-php-cli, rh-php73-php-dba, rh-php73-php-dbg, rh-php73-php-fpm, +22 more
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux AppStream (v. 8) php 7.4.33-1.module+el8.8.0+17865+ef7eddfa, php 8.0.27-1.module+el8.7.0+17863+0ad92cd2, libzip 1.6.1-1.module+el8.3.0+6678+b09f589e, libzip 1.7.3-1.module+el8.6.0+13671+84712317, php-gd 7.4.33-1.module+el8.8.0+17865+ef7eddfa, php-gd 8.0.27-1.module+el8.7.0+17863+0ad92cd2, +60 more
    fixed: vendor fix RHSA-2023:0848
  • Red Hat Enterprise Linux AppStream (v. 9) php 8.0.27-1.el9_1, php-gd 8.0.27-1.el9_1, php-cli 8.0.27-1.el9_1, php-dba 8.0.27-1.el9_1, php-dbg 8.0.27-1.el9_1, php-ffi 8.0.27-1.el9_1, +47 more
    fixed: vendor fix RHSA-2023:0965

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

cisa ICSA-26-027-02 updated cvss 5.5

Festo Didactic SE MES PC

  • Festo Didactic SE MES PC shipped_with_Windows_10
    affected: vendor fix

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami libphp
<7.4.31
>=8.0.0, <8.0.24
>=8.1.0, <8.1.11
7.4.31
8.0.24
8.1.11
bitnami php
<7.4.31
>=8.0.0, <8.0.24
>=8.1.0, <8.1.11
7.4.31
8.0.24
8.1.11
bitnami php-min
<7.4.31
>=8.0.0, <8.0.24
>=8.1.0, <8.1.11
7.4.31
8.0.24
8.1.11

Affected products

  • PHP Group PHP

Classification

Weakness
  • CWE-674 Uncontrolled Recursion
  • CWE-835 Loop with Unreachable Exit Condition
Technology feeds

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.