CVE-2022-28331: apache software foundation apache portable runtime (apr) Integer Overflow or Wraparound
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2022-28331
Published 31-01-2023Last modified 27-03-2025
Vulnerability summary
CVE-2022-28331 is a critical (CVSS 9.8) Integer Overflow or Wraparound vulnerability in apache software foundation apache portable runtime (apr). EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 31-01-2023PublishedVulnerability first disclosed.
- 27-03-2025Last modifiedVulnerability information updated.
Description
On Windows, Apache Portable Runtime 1.7.0 and earlier may write beyond the end of a stack based buffer in apr_socket_sendv(). This is a result of integer overflow.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.57%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.57% on 19-09-2026
19-09-202619-10-2026
EPSS score1.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- apr< 1.7.1-r0
Apache1 product
- portable_runtime≤ 1.7.0
Apache software foundation1 product
3 vendors · 3 products