CVE-2026-34501

highpriority · track · 0EPSS 0.005 · 43 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-23

Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to version 1.6.4, which fixes the issue.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122US

affected products (11)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Apache Portable Runtime (APR)< 1.6.4cert_bundDE
Apache Software Foundation Apache Portable Runtime Utility≤ 1.6.0 ≤1.6.3enisa_euvdEU
apache apr-util1.6.0 → 1.6.4nvdUScpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*
Bitnami apr-util1.6.0 → 1.6.4osvUSpkg:bitnami/apr-util

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2697Apache Portable Runtime (APR): Mehrere SchwachstellenDeutsch2026-08-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache Portable Runtime (APR) ausnutzen, um SQL-Injection durchzuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
BIT-apr-util-2026-34501Apache Portable Runtime Utility: Heap buffer overflow in APR redis client2026-08-17vendor · osvUS
Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3. Users are recommended to upgrade to version 1.6.4, which fixes the issue.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2026-08-06modified 2026-08-07

references (5)

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/08/06/11 cnnvd
https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv cnnvd
https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv enisa_euvd
http://www.openwall.com/lists/oss-security/2026/08/06/11Mailing ListThird Party Advisorynvd
https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mvMailing ListVendor Advisorynvd

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