CVE Tracker

CVE-2026-3644 @ Matrix

Status
accepted_risk
Priority
2.25
Match score
4.0
Risk
Other Remote priv:user
CVSS
7.5 HIGH
Reason
cpe: python; pkgs: python, python-apt-common; version: in-range: python-2.7.16-1, python-apt-common-2.6.0; debian:bookworm python3.11 open
Created
2026-08-05T14:05:15Z
Updated
2026-08-22T10:15:58Z
Closed
2026-08-05T14:42:09Z

Package interrogation (copy)

Run on the host — click to copy a command. Debian/apt

PackageCommands
python-2.7.16-1
python-apt-common-2.6.0

Inventory lookup

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Suggestions: python · python-apt-common

Same product CVEs in your queue

Other tickets that look like the same product (from match reason). Relate them here to triage this CVE as the primary.

CVECVSSKEVSystemsStatus MatchedAlready related
CVE-2026-68770 9.8 morris, mufasa does_not_affect python —
CVE-2026-4224 7.5 Archive, Library, Saiph, morris, mufasa accepted_risk, does_not_affect python —
CVE-2026-7210 7.5 Archive, Library, Matrix, Saiph, morris … accepted_risk, not_applicable python → CVE-2026-15308
CVE-2026-15308 7.5 Archive, Library, Matrix, Saiph, morris … accepted_risk python —
CVE-2026-59939 7.5 Bullseye, Matrix, Silk new python —
CVE-2026-30922 7.5 Library not_applicable python → CVE-2026-59884
CVE-2026-59886 7.5 Library not_applicable python → CVE-2026-59884
CVE-2026-7246 7.2 Silk does_not_affect python —

Related CVE (same fix)

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Host OS / kernel

OS
Debian GNU/Linux 12 (bookworm) (12) · debian
Arch
x86_64
kernel_release
uname -r → 6.1.0-52-amd64
kernel_version
uname -v → #1 SMP PREEMPT_DYNAMIC Debian 6.1.180-1 (2026-08-03)

For Linux kernel CVEs, kernel_version (Debian packaging / build string) often decides fixed vs not; kernel_release is used for upstream NVD range compares.

Same CVE on other hosts

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System Status Priority Updated
morris does_not_affect 7.5 2026-08-22T10:15:58Z Open
mufasa does_not_affect 7.5 2026-08-22T10:15:58Z Open
Library accepted_risk 2.25 2026-08-22T10:15:58Z Open
Archive accepted_risk 1.12 2026-08-22T10:15:58Z Open
Saiph accepted_risk 1.12 2026-08-22T10:15:58Z Open

Description

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().

Determination

Vulnerable
python-2.7.13-2
python-stdlib-2.7.13-2
python-minimal-2.7.13-2   -> 2.7.13-2 is Vulnerable
No public Access
t is a header injection issue that can lead to response splitting, cache poisoning, or session fixation in certain application designs.
Most likely no application code exposure

Update status

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Mitigation log

2026-08-05T14:38:30Z — affects
Vulnerable python-2.7.13-2 python-stdlib-2.7.13-2 python-minimal-2.7.13-2 -> 2.7.13-2 is Vulnerable
2026-08-05T14:42:09Z — accepted_risk
No public Access t is a header injection issue that can lead to response splitting, cache poisoning, or session fixation in certain application designs. Most likely no application code exposure

References

NVD: CVE-2026-3644