CVE-2017-12618· NVD / CVE Program· CNA apache

Apache Portable Runtime Utility (APR-util) 1.6.0 and prior fail to validate the integrity of SDBM database files used by apr_sdbm*() functio

Apache Portable Runtime Utility (APR-util) 1.6.0 and prior fail to validate the integrity of SDBM database files used by apr_sdbm*() functions, resulting in a possible out of bound read access. A local user with write access to the database can make a program or process using these functions crash, and cause a denial of service.

MediumCVSS 4.7 · v3.0—No exploit Fix available

Published: Oct 23, 2017
Updated: Jun 16, 2026
EPSS: 0.6% · 46th percentile
CWE: CWE-125

Follow this CVE

Report tools

JSON

Action score

Monitor

Low priority for now.

CVSS: 18 / 40 · 4.7 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.6%

Affected systems

Vendor	Product	CPE
apache	portable runtime utility	cpe:2.3:a:apache:portable_runtime_utility

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

apache portable runtime utility0.9.1
apache portable runtime utility0.9.10
apache portable runtime utility0.9.11
apache portable runtime utility0.9.12
apache portable runtime utility0.9.13
apache portable runtime utility0.9.14
apache portable runtime utility0.9.15
apache portable runtime utility0.9.16
apache portable runtime utility0.9.17
apache portable runtime utility0.9.18
apache portable runtime utility0.9.19
apache portable runtime utility0.9.2
apache portable runtime utility0.9.20
apache portable runtime utility0.9.3
apache portable runtime utility0.9.4
apache portable runtime utility0.9.5
apache portable runtime utility0.9.6
apache portable runtime utility0.9.7
apache portable runtime utility0.9.9
apache portable runtime utility1.0.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apache). Independent of NVD's CPE analysis and usually ahead of it.

Apache Software Foundation Apache Portable Runtime
- 1.6.0 and prioraffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Debian:12	apr-util	before 1.6.1-1	1.6.1-1
Debian:7	apr-util	before 1.4.1-3+deb7u1	1.4.1-3+deb7u1
openSUSE:Tumbleweed	apr-util	before 1.6.1-7.8	1.6.1-7.8
SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2	libapr-util1	before 1.5.3-2.3.1	1.5.3-2.3.1
SUSE:Linux Enterprise Software Development Kit 11 SP4	libapr-util1	before 1.3.4-12.22.23.3.2	1.3.4-12.22.23.3.2

Same product

apache: all records

Other highest-scoring records for the same primary product.

CVE-2022-25147Apache Portable Runtime Utility (APR-util): out-of-bounds writes in the apr_base64 family of functions
26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
debian:apr-util	1.6.1-1 · Debian:12	Package registry (OSV)
opensuse:apr-util	1.6.1-7.8 · openSUSE:Tumbleweed	Package registry (OSV)
suse:libapr-util1	1.5.3-2.3.1 · SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2	Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Someone with local access to the system can trigger it.
A low-privileged account is enough.
No user action is required.
Special conditions such as timing or configuration are required.

If successful

Confidentiality: none
Integrity: none
Availability: high · the service can be disrupted

Attack vector: Local
Attack complexity: High
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: None
Availability impact: High

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

Overread BuffersCAPEC-540likelihood: Low · High

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

Fix✗ → ✓Sep 28, 2026, 10:45 PM UTC

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records