CVE-2020-12723
perl-IO-Zlib: Perl is a high-level programming language that is commonly used for system administration utilities and web programmi...
CVE-2020-12723 is fixed in 32 products on 1 platform, first by libperl5.26 5.26.1-6ubuntu0.5, released May 31, 2020. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0597
93rd percentile
Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS (CVE-2020-12723) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libperl5.26 · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.5 | libperl5.26 5.26.1-6ubuntu0.5 | May 31, 2020 |
| libperl5.30 · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.2 | libperl5.30 5.30.0-9ubuntu0.2 | May 31, 2020 |
| perl · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.5 | perl 5.26.1-6ubuntu0.5 | May 31, 2020 |
| perl · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.2 | perl 5.30.0-9ubuntu0.2 | May 31, 2020 |
| perl · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Attribute-Handlers · RHEL 8 | 0:0.99-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Attribute-Handlers · ol 8 | 0:0.99-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Devel-Peek · RHEL 8 | 0:1.26-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Devel-Peek · ol 8 | 0:1.26-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Devel-SelfStubber · RHEL 8 | 0:1.06-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Devel-SelfStubber · ol 8 | 0:1.06-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Errno · RHEL 8 | 0:1.28-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Errno · ol 8 | 0:1.28-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-ExtUtils-Embed · RHEL 8 | 0:1.34-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-ExtUtils-Embed · ol 8 | 0:1.34-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-ExtUtils-Miniperl · RHEL 8 | 0:1.06-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-ExtUtils-Miniperl · ol 8 | 0:1.06-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-IO · RHEL 8 | 0:1.38-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-IO · ol 8 | 0:1.38-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-IO-Zlib · RHEL 8 | 1:1.10-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-IO-Zlib · ol 8 | 1:1.10-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Locale-Maketext-Simple · RHEL 8 | 1:0.21-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Locale-Maketext-Simple · ol 8 | 1:0.21-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Math-Complex · RHEL 8 | 0:1.59-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Math-Complex · ol 8 | 0:1.59-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Memoize · RHEL 8 | 0:1.03-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Memoize · ol 8 | 0:1.03-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Module-Loaded · RHEL 8 | 1:0.08-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Module-Loaded · ol 8 | 1:0.08-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Net-Ping · RHEL 8 | 0:2.55-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Net-Ping · ol 8 | 0:2.55-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Pod-Html · RHEL 8 | 0:1.22.02-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Pod-Html · ol 8 | 0:1.22.02-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-SelfLoader · RHEL 8 | 0:1.23-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-SelfLoader · ol 8 | 0:1.23-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Test · RHEL 8 | 0:1.30-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Test · ol 8 | 0:1.30-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-Time-Piece · RHEL 8 | 0:1.31-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-Time-Piece · ol 8 | 0:1.31-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-base · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.5 | perl-base 5.26.1-6ubuntu0.5 | May 31, 2020 |
| perl-base · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.2 | perl-base 5.30.0-9ubuntu0.2 | May 31, 2020 |
| perl-debug · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.5 | perl-debug 5.26.1-6ubuntu0.5 | May 31, 2020 |
| perl-debug · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.2 | perl-debug 5.30.0-9ubuntu0.2 | May 31, 2020 |
| perl-devel · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-devel · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-interpreter · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-interpreter · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-libnetcfg · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-libnetcfg · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-libs · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-libs · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-macros · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-macros · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-modules-5.26 · Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.5 | perl-modules-5.26 5.26.1-6ubuntu0.5 | May 31, 2020 |
| perl-modules-5.30 · Ubuntu 20.04 LTS (focal) | 5.30.0-9ubuntu0.2 | perl-modules-5.30 5.30.0-9ubuntu0.2 | May 31, 2020 |
| perl-open · RHEL 8 | 0:1.11-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-open · ol 8 | 0:1.11-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-tests · RHEL 8 | 4:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-tests · ol 8 | 4:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
| perl-utils · RHEL 8 | 0:5.26.3-417.el8_3 | RHSA-2021:0557 | Feb 16, 2021 |
| perl-utils · ol 8 | 0:5.26.3-417.el8_3 | ELSA-2021-0557 | Feb 18, 2021 |
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