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Fencer Vulns
low 2.9

CVE-2025-67899 json

uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input contai…

published 2025-12-14 10 mo ago modified 2026-10-14 26 d ago also EUVD-2025-203311

cvss
2.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.

Patch / fix

  • uriparser Debian 14 1.0.1+dfsg-1

debian advisories DEBIAN-CVE-2025-67899

  • uriparser Ubuntu Pro 14.04 LTS 0.7.5-1ubuntu2+esm5
  • uriparser Ubuntu Pro 16.04 LTS 0.8.4-1ubuntu0.16.04.1~esm5
  • uriparser Ubuntu Pro 18.04 LTS 0.8.4-1+deb9u2ubuntu0.1+esm2
  • uriparser Ubuntu Pro 20.04 LTS 0.9.3-2ubuntu0.1~esm4
  • uriparser Ubuntu Pro 22.04 LTS 0.9.6+dfsg-1ubuntu0.1~esm2
  • uriparser Ubuntu Pro 24.04 LTS 0.9.7+dfsg-2ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2025-67899

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • uriparser hummingbird 1 1.0.0-2.1.hum1
  • mingw32-uriparser hummingbird 1 1.0.0-2.1.hum1
  • mingw64-uriparser hummingbird 1 1.0.0-2.1.hum1

red hat advisories RHSA-2026:7642

  • uriparser SLES for SAP applications 16.0, SLES 16.0 0.9.8-160000.4.1
  • uriparser SLE Module for Package Hub 15 SP7, openSUSE Leap 15.6 0.8.5-150000.3.11.1

suse advisories SUSE-SU-2026:22084-1SUSE-SU-2026:0444-1

  • uriparser openSUSE Leap 16.0 0.9.8-160000.4.1
  • php8 openSUSE Tumbleweed 8.5.5-1.1
  • uriparser openSUSE Tumbleweed 1.0.0-1.1

opensuse advisories openSUSE-SU-2026:20910-1openSUSE-SU-2026:10595-1openSUSE-SU-2026:10045-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-67899 updated cvss 2.9

uriparser: uriparser: Unbounded recursion and stack consumption via large input

  • Red Hat Enterprise Linux 7 uriparser
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AI (RHEL AI) 3 uriparser
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Hardened Images uriparser 1.0.0-2.1.hum1, mingw32-uriparser 1.0.0-2.1.hum1, mingw64-uriparser 1.0.0-2.1.hum1
    fixed: vendor fix RHSA-2026:7642

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

  • uriparser project uriparser

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.