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CVE-2022-39170

28
FAUCET Score

CVE-2022-39170 describes a double free vulnerability in libdwarf version 0.4.1, specifically within the _dwarf_exec_frame_instr function in dwarf_frame.c, affecting Fedora and libdwarf projects. This vulnerability carries a high CVSS score of 8.8, indicating it can be exploited remotely with low complexity, potentially leading to high impacts on confidentiality, integrity, and availability if a user interacts with a malicious input. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.4.1CPE matchmatch criteria
cpe:2.3:a:libdwarf_project:libdwarf:0.4.1:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 58th percentile among its peer group of 14,852 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2022-39170Moderate

libdwarf: double free in _dwarf_exec_frame_instr() in dwarf_frame.c

Sep 2, 2022

References

github.com / davea42/libdwarf-code/commit/60303eb80ecc7747bf29776d545e2a5c5a76f6f8
PatchThird Party Advisory
github.com / davea42/libdwarf-code/issues/132
Issue TrackingThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/IKUE4XT62AEZ3H5D6GMREYOSCMMRFXBH