# CVE-2021-42614: halibut: A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault...

CVE-2021-42614 is fixed in halibut on 1 platform, first by DEBIAN-CVE-2021-42614, released May 24, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-42614
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0088
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 24, 2022

## Description

A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | halibut Debian 12.15 (bookworm) | 1.3-1 | [DEBIAN-CVE-2021-42614](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42614.md) | May 24, 2022 |
| Linux | halibut Debian 13.5 (trixie) | 1.3-1 | [DEBIAN-CVE-2021-42614](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42614.md) | May 24, 2022 |
| Linux | halibut Debian 14 | 1.3-1 | [DEBIAN-CVE-2021-42614](https://patchblox.com/security/data/fix/linux/debian-cve-2021-42614.md) | May 24, 2022 |

---

Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
