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CVE-2022-24963

31
FAUCET Score

CVE-2022-24963 is a critical integer overflow or wraparound vulnerability in the Apache Portable Runtime (APR) version 1.7.0. This flaw, specifically within apr_encode functions, allows an attacker to write beyond buffer boundaries. With a CVSS score of 9.8, it presents a severe risk, enabling unauthenticated remote attackers to achieve high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
1.7.0CPE matchmatch criteria
cpe:2.3:a:apache:portable_runtime:1.7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 58th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

microsoftpatch availablevia msrc
Product: azl3 apr 1.7.2-1 on Azure Linux 3.0Fixed in: 1.7.2-1
microsoftpatch availablevia msrc
Product: 18847-17084Fixed in: 1.7.2-1
redhatpatch availablevia redhat_api
Product: JWS 5.7.4 releaseFixed in: apr
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: apr-0:1.7.0-12.el9_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 5.7 on RHEL 7Fixed in: jws5-tomcat-native-0:1.2.31-15.redhat_15.el7jws
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services for RHEL 8Fixed in: jbcs-httpd24-apr-0:1.7.0-8.el8jbcs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 5.7 on RHEL 9Fixed in: jws5-tomcat-native-0:1.2.31-15.redhat_15.el9jws
View patch
redhatpatch availablevia redhat_api
Product: Text-Only JBCSFixed in: jbcs-httpd24-apr
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 5.7 on RHEL 8Fixed in: jws5-tomcat-native-0:1.2.31-15.redhat_15.el8jws
View patch
redhatpatch availablevia redhat_api
Product: JBoss Core Services on RHEL 7Fixed in: jbcs-httpd24-apr-0:1.7.0-8.el7jbcs
View patch

Vendor Advisories (2)

redhatCVE-2022-24963Moderate

apr: integer overflow/wraparound in apr_encode

Jan 31, 2023
microsoft2023-Jan/CVE-2022-24963Critical

Apache Portable Runtime (APR): out-of-bound writes in the apr_encode family of functions

Jan 10, 2023

References

lists.apache.org / thread/fw9p6sdncwsjkstwc066vz57xqzfksq9
Mailing ListVendor Advisory
security.netapp.com / advisory/ntap-20230908-0008