DEBIAN-CVE-2026-43631

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Source
https://security-tracker.debian.org/tracker/CVE-2026-43631
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43631.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-43631
Upstream
  • CVE-2026-43631
Published
2026-08-06T22:17:06Z
Modified
2026-09-14T17:03:39Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

llama.cpp builds b7492 through the latest b9060 contains a use-after-free vulnerability in the vocab pointer of llama-server when the --sleep-idle-seconds feature is enabled, allowing unauthenticated remote attackers to execute arbitrary code. Attackers can trigger the vulnerability by sending requests to affected endpoints while the server transitions to sleep mode, causing concurrent worker threads to dereference a freed vocab pointer that can be reclaimed with attacker-controlled data to achieve remote code execution.

References

Affected packages

Debian:14 / llama.cpp

Package

Name
llama.cpp
Purl
pkg:deb/debian/llama.cpp?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

Other
5151+dfsg-1~exp2
5151+dfsg-1~exp3
5318+dfsg-1
5318+dfsg-2
5713+dfsg-1
5760+dfsg-1
5760+dfsg-2
5760+dfsg-3
5760+dfsg-4
5882+dfsg-1
5882+dfsg-2
5882+dfsg-3~exp1
5882+dfsg-3~exp2
5882+dfsg-3~exp3
5882+dfsg-3
5882+dfsg-4
6641+dfsg-1
6641+dfsg-2
6641+dfsg-3
7593+dfsg-1
7593+dfsg-2
7593+dfsg-3
7965+dfsg-1
8064+dfsg-1
8064+dfsg-2
8461+dfsg-1
8611+dfsg-1
8681+dfsg-1
8870+dfsg-1
8941+dfsg-1
9009+dfsg-1
9071+dfsg-1
9190+dfsg-1
9413+dfsg-1
9555+dfsg-1
9601+dfsg-1
9721+dfsg-1
9895+dfsg-1
9895+dfsg-2
9895+dfsg-3
9951+dfsg-1
9951+dfsg-2
9951+dfsg-3
10108+dfsg-1
10108+dfsg1-1
10108+dfsg1-2
10192+dfsg-1
10192+dfsg-2~exp1
10192+dfsg-2
10271+dfsg-1
10344+dfsg-1
10438+dfsg-1
1:0.*
1:0.1.2+dfsg-1~exp1
1:0.2.0+dfsg1-1~exp1
1:0.2.0+dfsg1-1
1:0.4.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-43631.json"