CVE-2022-39170 json
libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.
published 2022-09-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41715
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-39170 updated cvss 6.5
libdwarf: double free in _dwarf_exec_frame_instr() in dwarf_frame.c
-
Red Hat Enterprise Linux 7 libdwarf, libdwarf-tools Red Hat Enterprise Linux 8 libdwarf, libdwarf-toolsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-415 Double Free
References
-
github.com
/davea42/libdwarf-code/commit/60303eb80ecc7747bf29776d545e2a5c5a76f6f8
patch, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/IKUE4XT62AEZ3H5D6GMREYOSCMMRFXBH/
vendor-advisory
-
github.com
/davea42/libdwarf-code/issues/132
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2022-39170
- NVD CVE-2022-39170
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.