Integer Overflow or Wraparound vulnerability in apr_encode functions of Apache Portable Runtime (APR) allows an attacker to write beyond bounds of a buffer. This issue affects Apache Portable Runtime (APR) version 1.7.0.
CVE-2022-24963
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-01-31. NVD baseline CVSS 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 60(Track)EG Risk 60/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 72%
- KEV
- Not listed
Published
January 31, 2023
Last Modified
March 27, 2025
Advisory Details (2)
Auto-updated Sep 3, 2026Vendor Advisories for CVE-2022-24963(5)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2023:7711Red Hat Product SecurityMedium
Red Hat Security Advisory: apr security update
- RHSA-2023:4910Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat JBoss Web Server 5.7.4 release and security update
- RHSA-2023:4909Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat JBoss Web Server 5.7.4 release and security update
- RHSA-2023:4629Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.57 security update
- RHSA-2023:4628Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.57 security update
Patch Availability(6)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libapr1-dev (1.7.0-8ubuntu0.22.10.1) @ kinetic | 2026-05-25 | ubuntu |
| redhat | apr-0:1.7.0-12.el9_3 | 2023-12-11 | redhat |
| redhat | jws5-tomcat-native-0:1.2.31-15.redhat_15.el9jws | 2023-09-04 | redhat |
| redhat | apr | 2023-09-04 | redhat |
| redhat | jbcs-httpd24-apr | 2023-08-15 | redhat |
| redhat | jbcs-httpd24-apr-0:1.7.0-8.el7jbcs | 2023-08-15 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(15 across 15 ecosystems)
Alpine:v3.14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.15(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.16(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.17(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.18(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.19(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.20(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.21(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.22(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.1-r0 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | 1.7.0-6, 1.7.0-6+deb11u1 | 1.7.0-6+deb11u2 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.2-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.2-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apr | — | 1.7.2-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(2)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 8× in last 7d / 28× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 150 total refreshes for this CVE.
- 2026-09-08 21:57 UTCEPSS rescore
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-04 16:54 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-18 04:04 UTCOSV refresh
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
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- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 22:57 UTCOSV refresh
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:09 UTCEG score recompute
- 2026-07-22 22:56 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 07:49 UTCOSV refresh
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 06:52 UTCOSV refresh
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
Frequently asked(5)
What is CVE-2022-24963?
When was CVE-2022-24963 disclosed?
Is CVE-2022-24963 actively exploited?
What is the CVSS score of CVE-2022-24963?
How do I remediate CVE-2022-24963?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-24963
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