# CVE-2018-18312: perl-debug: Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers inva...

CVE-2018-18312 is fixed in 5 products on 1 platform, first by libperl5.26 5.26.1-6ubuntu0.3, released November 28, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-18312
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.1277
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 28, 2018

## Description

Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libperl5.26 Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.3 | [libperl5.26 5.26.1-6ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libperl5.26-5.26.1-6ubuntu0.3.md) | Nov 28, 2018 |
| Linux | perl Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.3 | [perl 5.26.1-6ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-5.26.1-6ubuntu0.3.md) | Nov 28, 2018 |
| Linux | perl-base Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.3 | [perl-base 5.26.1-6ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-base-5.26.1-6ubuntu0.3.md) | Nov 28, 2018 |
| Linux | perl-debug Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.3 | [perl-debug 5.26.1-6ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-debug-5.26.1-6ubuntu0.3.md) | Nov 28, 2018 |
| Linux | perl-modules-5.26 Ubuntu 18.04.6 LTS (bionic) | 5.26.1-6ubuntu0.3 | [perl-modules-5.26 5.26.1-6ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-perl-modules-5.26-5.26.1-6ubuntu0.3.md) | Nov 28, 2018 |

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