# CVE-2018-17942: git-merge-changelog: The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because...

CVE-2018-17942 is fixed in 2 products on 1 platform, first by git-merge-changelog 20140202+stable-2+deb8u1build0.18.04.1, released October 3, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-17942
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0249
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 3, 2018

## Description

The convert_to_decimal function in vasnprintf.c in Gnulib before 2018-09-23 has a heap-based buffer overflow because memory is not allocated for a trailing '\0' character during %f processing.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | git-merge-changelog Ubuntu 18.04.6 LTS (bionic) | 20140202+stable-2+deb8u1build0.18.04.1 | [git-merge-changelog 20140202+stable-2+deb8u1build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-merge-changelog-20140202-stable-2-deb8u1build0.18.04.1.md) | Oct 3, 2018 |
| Linux | gnulib Ubuntu 18.04.6 LTS (bionic) | 20140202+stable-2+deb8u1build0.18.04.1 | [gnulib 20140202+stable-2+deb8u1build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gnulib-20140202-stable-2-deb8u1build0.18.04.1.md) | Oct 3, 2018 |

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