# CVE-2022-39170: libdwarf: Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2022-39170: 	A double...

CVE-2022-39170 is fixed in 7 products on 1 platform, first by ALAS2023-2023-093, released February 17, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-39170
- Priority: Routine
- CVSS: n/a (moderate)
- EPSS: 0.0119
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 17, 2023

## Description

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2022-39170: 	A double-free vulnerability was found in libdwarf's dwarf_expand_frame_instructions() function of the dwarf_frame.c file. A carefully crafted object file could cause the 'dwarfdump' utility to do a double free in handling an error condition. This issue could cause a segmentation violation or other major error, terminating the calling application and resulting in a denial of service.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libdwarf amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-debuginfo amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-debugsource amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-devel amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-static amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-tools amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |
| Linux | libdwarf-tools-debuginfo amzn 2023 | 1:0.5.0-1.amzn2023.0.2 | [ALAS2023-2023-093](https://patchblox.com/security/data/fix/linux/alas2023-2023-093.md) | Feb 17, 2023 |

---

Data as of 2026-11-10T01:44:33Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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.