CVE-2022-31291

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double...

7.5 HighFix available

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.09%Up 0.2 points since Jun 17, 2022

What each source reports

NVD Score used 7.5

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: CVE-2022-31291
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-415
Updated: 2026-11-02

CVE List No score

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: CVE-2022-31291
Updated: 2026-11-02

EUVDEUVD-2022-52849 No score

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: EUVD-2022-52849
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5569-pg4r-25pv 7.5

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double...

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: GHSA-5569-pg4r-25pv
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-415
Updated: 2026-11-02

OSVDEBIAN-CVE-2022-31291 7.5

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: DEBIAN-CVE-2022-31291
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-31291 7.5

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: UBUNTU-CVE-2022-31291
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV No score

An issue in dlt_config_file_parser.c of dlt-daemon v2.18.8 allows attackers to cause a double free via crafted TCP packets.

Record: CVE-2022-31291
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`dlt-daemon` Debian:12	before 2.18.6-2.1	2.18.6-2.1
`dlt-daemon` Debian:13	before 2.18.6-2.1	2.18.6-2.1
`dlt-daemon` Debian:14	before 2.18.6-2.1	2.18.6-2.1
`dlt-daemon` Debian:10 From an advisory covering 3 CVEs	before 2.18.0-1+deb10u1, plus listed versions 2.18.0-1	2.18.0-1+deb10u1
`dlt-daemon` Ubuntu:20.04:LTS	All versions, plus listed versions 2.18.4-0.1	None known
`dlt-daemon` Ubuntu:22.04:LTS	All versions, plus listed versions 2.18.6-2	None known
`dlt-daemon` Ubuntu:24.04:LTS	All versions, plus listed versions 2.18.10-52.18.10-72.18.10-92.18.10-10	None known
`dlt-daemon` Ubuntu:25.10	All versions, plus listed versions 2.18.10-102.18.10-12	None known
`dlt-daemon` Ubuntu:26.10	All versions, plus listed versions 3.0.0-43.0.0-83.0.0-10	None known
`dlt-daemon` Ubuntu:26.04:LTS	All versions, plus listed versions 2.18.10-122.18.10-12.12.18.10-133.0.0-4	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-31291 is a high vulnerability (CVSS 7.5) in Debian Linux, published June 16, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.09%, the 65th percentile. Fixed in dlt-daemon 2.18.6-2.1.

References

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