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CVE-2026-44928

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

2.9 LowFix available

CVE-2026-44928 is a low vulnerability (CVSS 2.9) in Uriparser, published May 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. Fixed in php85 8.5.12-r0.

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.21%Up 0.2 points since May 8, 2026
90%50%10%1%

What each source reports

CVE List Score used 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
CVE-2026-44928
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-670
Updated
2026-11-02
EUVDEUVD-2026-28537 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
EUVD-2026-28537
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-xw5w-xhjv-gf29 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
GHSA-xw5w-xhjv-gf29
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-670
Updated
2026-11-02
NVD 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
CVE-2026-44928
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-670
Updated
2026-11-02
OSVALPINE-CVE-2026-44928 5.3

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
ALPINE-CVE-2026-44928
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-03
OSV 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
CVE-2026-44928
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-670
Updated
2026-11-02
Show 11 moreShow less
OSVDEBIAN-CVE-2026-44928 5.3

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
DEBIAN-CVE-2026-44928
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVOESA-2026-2301 2.9

uriparser security update

The package is a strictly RFC 3986 compliant URI parsing library written in C89("ANSI C"). uriparser is cross-platform, fast, supports Unicode and is licensed under the New BSD license. There are a number of applications, libraries and hardware using uriparser, as well as bindings and 3rd-party wrappers. uriparser is packaged in major distributions.

Security Fix(es):

In uriparser before 1.0.2, there is pointer difference truncation to int in various places.(CVE-2026-44927)

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.(CVE-2026-44928)

Record
OESA-2026-2301
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVRHSA-2026:16341 5.3

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Record
RHSA-2026:16341
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2026-44928 2.9

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
UBUNTU-CVE-2026-44928
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVAZL-86106 No score

CVE-2026-44928 affecting package uriparser 0.9.8-3

In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.

Record
AZL-86106
Updated
2026-11-02
OSVopenSUSE-SU-2026:10962-1 No score

php8-8.5.7-1.1 on GA media

These are all security issues fixed in the php8-8.5.7-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10962-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:11049-1 No score

liburiparser1-1.0.2-1.1 on GA media

These are all security issues fixed in the liburiparser1-1.0.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11049-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:21297-1 No score

Security update for uriparser

This update for uriparser fixes the following issues

  • CVE-2026-42371: numeric truncation in text range comparison when an application accepts URIs with a length in gigabytes (bsc#1262999).
  • CVE-2026-44927: truncation of ptrdiff_t to int in various places (bsc#1264578).
  • CVE-2026-44928: function family EqualsUri can misclassify two unequal URIs as equal (bsc#1264579).
Record
openSUSE-SU-2026:21297-1
Updated
2026-11-02
OSVROOT-OS-DEBIAN-12-CVE-2026-44928 No score

CVE-2026-44928 in uriparser - Patched by Root

Root has patched CVE-2026-44928 in the uriparser package for Root:Debian:12. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-12-CVE-2026-44928
Updated
2026-11-02
OSVSUSE-SU-2026:22627-1 No score

Security update for uriparser

This update for uriparser fixes the following issues

  • CVE-2026-42371: numeric truncation in text range comparison when an application accepts URIs with a length in gigabytes (bsc#1262999).
  • CVE-2026-44927: truncation of ptrdiff_t to int in various places (bsc#1264578).
  • CVE-2026-44928: function family EqualsUri can misclassify two unequal URIs as equal (bsc#1264579).
Record
SUSE-SU-2026:22627-1
Updated
2026-11-02
OSVSUSE-SU-2026:3021-1 No score

Security update for uriparser

This update for uriparser fixes the following issues

  • CVE-2026-42371: numeric truncation in text range comparison when an application accepts URIs with a length in gigabytes (bsc#1262999).
  • CVE-2026-44927: truncation of ptrdiff_t to int in various places (bsc#1264578).
  • CVE-2026-44928: function family EqualsUri can misclassify two unequal URIs as equal (bsc#1264579).
Record
SUSE-SU-2026:3021-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
php85
Alpine:v3.23
 before 8.5.12-r0
8.5.12-r0
php85
Alpine:v3.24
 before 8.5.7-r0
8.5.7-r0
uriparser
Alpine:v3.24
 before 1.0.2-r0
1.0.2-r0
uriparser
Azure Linux:3
 through 0.9.8-3 None known
uriparser
Debian:12
 All versions, plus listed versions
0.9.7+dfsg-20.9.8+dfsg-10.9.8+dfsg-21.0.1+dfsg-1
 None known
uriparser
Debian:13
 All versions, plus listed versions
0.9.8+dfsg-21.0.1+dfsg-1
 None known
uriparser
Debian:14
 All versions, plus listed versions
0.9.8+dfsg-21.0.1+dfsg-1
 None known
uriparser
openEuler:24.03-LTS-SP3
 before 1.0.1-2.oe2403sp3
1.0.1-2.oe2403sp3
uriparser
openEuler:20.03-LTS-SP4
 before 1.0.1-2.oe2003sp4
1.0.1-2.oe2003sp4
uriparser
openEuler:22.03-LTS-SP4
 before 1.0.1-2.oe2203sp4
1.0.1-2.oe2203sp4
Show 24 moreShow less
Affected packages
PackageAffectedFixed
uriparser
openEuler:24.03-LTS
 before 1.0.1-2.oe2403sp1
1.0.1-2.oe2403sp1
uriparser
openEuler:24.03-LTS-SP1
 before 1.0.1-2.oe2403sp1
1.0.1-2.oe2403sp1
mingw32-uriparser
Red Hat:hummingbird:1
 before 0:1.0.2-1.hum1
0:1.0.2-1.hum1
mingw64-uriparser
Red Hat:hummingbird:1
 before 0:1.0.2-1.hum1
0:1.0.2-1.hum1
uriparser
Red Hat:hummingbird:1
 before 0:1.0.2-1.hum1
0:1.0.2-1.hum1
uriparser-devel
Red Hat:hummingbird:1
 before 0:1.0.2-1.hum1
0:1.0.2-1.hum1
uriparser-doc
Red Hat:hummingbird:1
 before 0:1.0.2-1.hum1
0:1.0.2-1.hum1
uriparser
Root:Debian:12
 before 0.9.7+dfsg-2.root.io.4
0.9.7+dfsg-2.root.io.40.9.7+dfsg-2.root.io.30.9.7+dfsg-2.aikido.5
rootio-uriparser
Root:Debian:12
 before 0.9.7+dfsg-2.root.io.4
0.9.7+dfsg-2.root.io.40.9.7+dfsg-2.root.io.30.9.7+dfsg-2.aikido.5
uriparser
SUSE:Linux Enterprise Server 16.0
 before 0.9.8-160000.5.1
0.9.8-160000.5.1
uriparser
SUSE:Linux Enterprise Server for SAP applications 16.0
 before 0.9.8-160000.5.1
0.9.8-160000.5.1
uriparser
SUSE:Linux Enterprise Module for Package Hub 15 SP7
 before 0.8.5-150000.3.14.1
0.8.5-150000.3.14.1
uriparser
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
0.7.5-10.7.5-1ubuntu10.7.5-1ubuntu20.7.5-1ubuntu2+esm10.7.5-1ubuntu2+esm20.7.5-1ubuntu2+esm30.7.5-1ubuntu2+esm40.7.5-1ubuntu2+esm5
 None known
uriparser
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
0.8.2-10.8.3-10.8.4-10.8.4-1ubuntu0.16.04.1~esm20.8.4-1ubuntu0.16.04.1~esm30.8.4-1ubuntu0.16.04.1~esm40.8.4-1ubuntu0.16.04.1~esm5
 None known
uriparser
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
0.8.4-10.8.4-1ubuntu0.18.04.1~esm20.8.4-1+deb9u2build0.18.04.10.8.4-1+deb9u2ubuntu0.10.8.4-1+deb9u2ubuntu0.1+esm10.8.4-1+deb9u2ubuntu0.1+esm2
 None known
uriparser
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
0.9.3-20.9.3-2ubuntu0.1~esm20.9.3-2ubuntu0.1~esm30.9.3-2ubuntu0.1~esm4
 None known
uriparser
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
0.9.4+dfsg-10.9.5+dfsg-20.9.6+dfsg-10.9.6+dfsg-1ubuntu0.1~esm10.9.6+dfsg-1ubuntu0.1~esm2
 None known
uriparser
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
0.9.7+dfsg-20.9.7+dfsg-2build10.9.7+dfsg-2ubuntu0.1~esm10.9.7+dfsg-2ubuntu0.1~esm2
 None known
uriparser
Ubuntu:25.10
 All versions, plus listed versions
0.9.8+dfsg-2
 None known
uriparser
Ubuntu:26.10
 All versions, plus listed versions
0.9.8+dfsg-2build11.0.1+dfsg-1
 None known
uriparser
Ubuntu:26.04:LTS
 All versions, plus listed versions
0.9.8+dfsg-20.9.8+dfsg-2build1
 None known
php8
openSUSE:Tumbleweed
 before 8.5.7-1.1
8.5.7-1.1
uriparser
openSUSE:Tumbleweed
 before 1.0.2-1.1
1.0.2-1.1
uriparser
openSUSE:Leap 16.0
 before 0.9.8-160000.5.1
0.9.8-160000.5.1

History

History
WhenChangedSources
2026-11-03affected, aliases, referencesOSV
2026-11-02createdCVE List, EUVD, GitHub Advisories, NVD, OSV

References

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