CVE-2026-94638
Apache Thrift: PHP `thrift_protocol` C extension ignores the configured `maxStringSize`
6.3 MediumFix available
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
0.28%Down 0.1 points since Oct 3, 2026
What each source reports
CVE List Score used
Apache Thrift: PHP `thrift_protocol` C extension ignores the configured `maxStringSize`
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
CVE-2026-94638- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N - Weakness
- CWE-770
- Updated
- 2026-11-02
EUVDEUVD-2026-91562
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
EUVD-2026-91562- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v5qm-h2gw-6p8j
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings....
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
GHSA-v5qm-h2gw-6p8j- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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 - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
CVE-2026-94638- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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 - Weakness
- CWE-770
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-94638
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
DEBIAN-CVE-2026-94638- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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 - Updated
- 2026-11-02
OSVRHSA-2026:74369
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- Record
RHSA-2026:74369- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-94638
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
UBUNTU-CVE-2026-94638- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-02
OSVAZL-106566 No score
CVE-2026-94638 affecting package thrift 0.24.0-1
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
AZL-106566- Updated
- 2026-11-02
OSVBIT-thrift-2026-94638 No score
Apache Thrift: PHP `thrift_protocol` C extension ignores the configured `maxStringSize`
Allocation of resources without limits or throttling vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
- Record
BIT-thrift-2026-94638- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
thriftAzure Linux:3 |
through 0.24.0-1 | None known |
thriftBitnami |
before 0.25.0 | 0.25.0 |
thriftDebian:12 |
All versions, plus listed versions 0.17.0-20.17.0-30.17.0-40.18.1-10.18.1-2 Show 16 moreShow less0.19.0-10.19.0-20.19.0-2.10.19.0-2.1~exp10.19.0-30.19.0-40.20.0-10.22.0-10.22.0-20.22.0-30.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2 |
None known |
thriftDebian:13 |
All versions, plus listed versions 0.19.0-40.20.0-10.22.0-10.22.0-20.22.0-3 Show 6 moreShow less0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2 |
None known |
thriftDebian:14 |
All versions, plus listed versions 0.19.0-40.20.0-10.22.0-10.22.0-20.22.0-3 Show 6 moreShow less0.22.0-40.23.0-10.23.0-20.23.0-30.24.0-10.24.0-2 |
None known |
perl-thriftRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
python3-thriftRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
thriftRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
thrift-develRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
thrift-glibRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
Show 6 moreShow less
| Package | Affected | Fixed |
|---|---|---|
thrift-qtRed Hat:hummingbird:1 From an advisory covering 29 CVEs |
before 0:0.25.0-0.1.hum1 | 0:0.25.0-0.1.hum1 |
thriftUbuntu:20.04:LTS |
All versions, plus listed versions 0.11.0-60.13.0-2build10.13.0-2build2 |
None known |
thriftUbuntu:22.04:LTS |
All versions, plus listed versions 0.13.0-6ubuntu10.13.0-6ubuntu20.13.0-6ubuntu30.13.0-70.16.0-2 |
None known |
thriftUbuntu:24.04:LTS |
All versions, plus listed versions 0.17.0-40.19.0-20.19.0-2build10.19.0-2.1build40.19.0-2.1build5 |
None known |
thriftUbuntu:26.10 |
All versions, plus listed versions 0.22.0-3ubuntu10.23.0-30.23.0-3ubuntu1 |
None known |
thriftUbuntu:26.04:LTS |
All versions, plus listed versions 0.19.0-4build10.22.0-30.22.0-3ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-94638 is a medium vulnerability (CVSS 6.3) in Apache Software Foundation Thrift, published October 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. Fixed in thrift 0.25.0.
References
lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
nvd.nist.gov/vuln/detail/CVE-2026-94638
github.com/advisories/GHSA-v5qm-h2gw-6p8j
security-tracker.debian.org/tracker/CVE-2026-94638
access.redhat.com/errata/RHSA-2026:74369
Show 169 moreShow less
images.redhat.com
security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74369.json
bugzilla.redhat.com/show_bug.cgi?id=2545180
cve.org/CVERecord?id=CVE-2026-66054
ubuntu.com/security/CVE-2026-94638