DEBIAN-CVE-2026-2968

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Source
https://security-tracker.debian.org/tracker/CVE-2026-2968
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2968.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-2968
Upstream
Published
2026-02-23T04:16:02Z
Modified
2026-09-14T17:03:25Z
Severity
  • 2.9 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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

A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

Affected packages

Debian:12 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=bookworm

Affected ranges

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

Affected versions

2022.*
2022.12+dfsg-4
2022.12+dfsg-4+deb12u1~bpo11+1
2022.12+dfsg-4+deb12u1
2022.12+dfsg-4+deb12u2
2023.*
2023.05+dfsg-1
2023.05+dfsg-2~bpo12+1
2023.05+dfsg-2
2023.05+dfsg-3
2023.05+dfsg-4
2023.05+dfsg-5~bpo12+1
2023.05+dfsg-5
2023.12+dfsg-1~bpo12+1
2023.12+dfsg-1
2023.12.1+dfsg-1~bpo12+1
2023.12.1+dfsg-1
2023.12.1+dfsg-2~bpo12+1
2023.12.1+dfsg-2
2024.*
2024.05+dfsg-1
2024.05.2+dfsg-1
2024.05.2+dfsg-2~bpo12+1
2024.05.2+dfsg-2
2024.12+dfsg-1
2024.12+dfsg-2~bpo12+1
2024.12+dfsg-2
2024.12.1+dfsg-1~bpo12+1
2024.12.1+dfsg-1
2024.12.1+dfsg-2
2024.12.1+dfsg-3~bpo12+1
2024.12.1+dfsg-3
2025.*
2025.05+dfsg-1
2025.05+dfsg-2~bpo13+1
2025.05+dfsg-2
2025.05+dfsg-3~bpo13+1
2025.05+dfsg-3
2025.12+dfsg-1
2025.12+dfsg-2~bpo13+1
2025.12+dfsg-2
2025.12+dfsg-3
2025.12+dfsg-4
2025.12+dfsg-5
2025.12+dfsg-6
2025.12+dfsg-7~bpo13+1
2025.12+dfsg-7
2025.12+dfsg-8
2025.12+dfsg-9
2025.12+dfsg-10~bpo13+1
2025.12+dfsg-10~bpo13+2
2025.12+dfsg-10
2026.*
2026.05+dfsg-1
2026.05+dfsg-2
2026.05+dfsg-3~bpo13+1
2026.05+dfsg-3
2026.05+dfsg-4
2026.05.1+dfsg-1~bpo13+1
2026.05.1+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2968.json"

Debian:13 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=trixie

Affected ranges

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

Affected versions

2024.*
2024.12.1+dfsg-3
2024.12.1+dfsg-3+deb13u1
2024.12.1+dfsg-3+deb13u2
2025.*
2025.05+dfsg-1
2025.05+dfsg-2~bpo13+1
2025.05+dfsg-2
2025.05+dfsg-3~bpo13+1
2025.05+dfsg-3
2025.12+dfsg-1
2025.12+dfsg-2~bpo13+1
2025.12+dfsg-2
2025.12+dfsg-3
2025.12+dfsg-4
2025.12+dfsg-5
2025.12+dfsg-6
2025.12+dfsg-7~bpo13+1
2025.12+dfsg-7
2025.12+dfsg-8
2025.12+dfsg-9
2025.12+dfsg-10~bpo13+1
2025.12+dfsg-10~bpo13+2
2025.12+dfsg-10
2026.*
2026.05+dfsg-1
2026.05+dfsg-2
2026.05+dfsg-3~bpo13+1
2026.05+dfsg-3
2026.05+dfsg-4
2026.05.1+dfsg-1~bpo13+1
2026.05.1+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2968.json"

Debian:14 / swupdate

Package

Name
swupdate
Purl
pkg:deb/debian/swupdate?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2025.12+dfsg-10

Affected versions

2024.*
2024.12.1+dfsg-3
2025.*
2025.05+dfsg-1
2025.05+dfsg-2~bpo13+1
2025.05+dfsg-2
2025.05+dfsg-3~bpo13+1
2025.05+dfsg-3
2025.12+dfsg-1
2025.12+dfsg-2~bpo13+1
2025.12+dfsg-2
2025.12+dfsg-3
2025.12+dfsg-4
2025.12+dfsg-5
2025.12+dfsg-6
2025.12+dfsg-7~bpo13+1
2025.12+dfsg-7
2025.12+dfsg-8
2025.12+dfsg-9
2025.12+dfsg-10~bpo13+1
2025.12+dfsg-10~bpo13+2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-2968.json"