libdwarf 0.4.1 dwarf_frame.c _dwarf_exec_frame_instr double free

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in libdwarf 0.4.1 and classified as critical. The affected element is the function _dwarf_exec_frame_instr of the file dwarf_frame.c. This manipulation causes double free. This vulnerability appears as CVE-2022-39170. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in libdwarf 0.4.1 (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function _dwarf_exec_frame_instr of the file dwarf_frame.c. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

libdwarf 0.4.1 has a double free in _dwarf_exec_frame_instr in dwarf_frame.c.

The weakness was presented 09/02/2022 as 132. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-39170 since 09/02/2022. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 310743 (Linux Distros Unpatched Vulnerability : CVE-2022-39170), which helps to determine the existence of the flaw in a target environment.

Applying the patch 60303eb80ecc7747bf29776d545e2a5c5a76f6f8 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (310743). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 310743
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-39170

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 60303eb80ecc7747bf29776d545e2a5c5a76f6f8

Timelineinfo

09/02/2022 🔍
09/02/2022 +0 days 🔍
09/02/2022 +0 days 🔍
04/29/2026 +1335 days 🔍

Sourcesinfo

Advisory: 132
Status: Confirmed

CVE: CVE-2022-39170 (🔍)
GCVE (CVE): GCVE-0-2022-39170
GCVE (VulDB): GCVE-100-207763

Entryinfo

Created: 09/02/2022 09:52
Updated: 04/29/2026 09:06
Changes: 09/02/2022 09:52 (43), 10/11/2022 12:29 (11), 04/29/2026 09:06 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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