CVE catalog
CVE-2020-28949
php-pear: CVE-2020-28949
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 84.55% · Oct 25, 2026
PEAR Archive_Tar allows an unserialization attack because phar: is blocked but PHAR: is not blocked. PEAR stands for PHP Extension and Application Repository and it is an open-source framework and distribution system for reusable PHP components with known usage in third-party products such as Drupal Core and Red Hat Linux.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | php-pear | sid | 1:1.10.16+submodules+notgz-3 | fixed |
| Debian | php-pear | forky | 1:1.10.16+submodules+notgz-3 | fixed |
| Debian | php-pear | trixie | 1:1.10.16+submodules+notgz-3 | fixed |
| Debian | php-pear | bookworm | 1:1.10.13+submodules+notgz+2022032202-2 | fixed |
| Ubuntu | drupal7 | pro | 7.38-1 | vulnerable |
| Ubuntu | drupal7 | pro | 7.41-1 | vulnerable |
| Ubuntu | drupal7 | pro | 7.44-1ubuntu1~16.04.0 | vulnerable |
| Ubuntu | drupal7 | pro | 7.44-1ubuntu1~16.04.0+esm1 | vulnerable |
| Ubuntu | drupal7 | pro | 7.44-1ubuntu1~16.04.0+esm2 | fixed |
| Ubuntu | php-pear | 16.04 | 1:1.10.1+submodules+notgz-4 | vulnerable |
| Ubuntu | php-pear | 16.04 | 1:1.10.1+submodules+notgz-6 | vulnerable |
| Ubuntu | php-pear | 16.04 | 1:1.10.1+submodules+notgz-6ubuntu0.1 | vulnerable |
| Ubuntu | php-pear | 16.04 | 1:1.10.1+submodules+notgz-6ubuntu0.2 | fixed |
| Ubuntu | php-pear | 18.04 | 1:1.10.5+submodules+notgz-1 | vulnerable |
| Ubuntu | php-pear | 18.04 | 1:1.10.5+submodules+notgz-1ubuntu1 | vulnerable |
| Ubuntu | php-pear | 18.04 | 1:1.10.5+submodules+notgz-1ubuntu1.18.04.1 | vulnerable |
| Ubuntu | php-pear | 18.04 | 1:1.10.5+submodules+notgz-1ubuntu1.18.04.2 | fixed |
| Ubuntu | php-pear | 20.04 | 1:1.10.9+submodules+notgz-1 | vulnerable |
| Ubuntu | php-pear | 20.04 | 1:1.10.9+submodules+notgz-1ubuntu0.20.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | php-pear | source | sid | 1:1.10.9+submodules+notgz-1.1 | not yet assigned | Not reported | [976108] |
| Debian | php-pear | source | forky | 1:1.10.9+submodules+notgz-1.1 | not yet assigned | Not reported | [976108] |
| Debian | php-pear | source | trixie | 1:1.10.9+submodules+notgz-1.1 | not yet assigned | Not reported | [976108] |
| Debian | php-pear | source | bookworm | 1:1.10.9+submodules+notgz-1.1 | not yet assigned | Not reported | [976108] |
| Ubuntu | drupal7 | deb | pro | 7.44-1ubuntu1~16.04.0+esm2 | Not reported | UBUNTU-CVE-2020-28949 | Not reported |
| Ubuntu | php-pear | deb | 16.04 | 1:1.10.1+submodules+notgz-6ubuntu0.2 | Not reported | UBUNTU-CVE-2020-28949 | Not reported |
| Ubuntu | php-pear | deb | 18.04 | 1:1.10.5+submodules+notgz-1ubuntu1.18.04.2 | Not reported | UBUNTU-CVE-2020-28949 | Not reported |
| Ubuntu | php-pear | deb | 20.04 | 1:1.10.9+submodules+notgz-1ubuntu0.20.04.1 | Not reported | UBUNTU-CVE-2020-28949 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [php-pear]Fixed
Details (2)
1:1.10.13+submodules+notgz+2022032202-2· all · bookwormFixed · Fixed:
1:1.10.9+submodules+notgz-1.1dsa · php-pear · debian · bookworm; dsa · php-pear · debian · 12
1:1.10.13+submodules+notgz+2022032202-2· all · bookwormFixed · Fixed:
1:1.10.9+submodules+notgz-1.1dsa · php-pear · debian · bookworm; dsa · php-pear · debian · 12
[Debian 13 (Trixie)]
- [php-pear]Fixed
Details (2)
1:1.10.16+submodules+notgz-3· all · trixieFixed · Fixed:
1:1.10.9+submodules+notgz-1.1dsa · php-pear · debian · 13
1:1.10.16+submodules+notgz-3· all · trixieFixed · Fixed:
1:1.10.9+submodules+notgz-1.1dsa · php-pear · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2022:6541]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2022_6542.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2020-28949]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2020-28949]
- [https://security-tracker.debian.org/tracker/CVE-2020-28949]
- [https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2022-1443.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
[CERT-Bund public advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]