CVE-2022-30556: apache software foundation apache http server
CVSS: 7.5v3.1HighAnalyzed
AliasesALPINE-CVE-2022-30556UBUNTU-CVE-2022-30556DEBIAN-CVE-2022-30556
Published 08-06-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-30556 is a high (CVSS 7.5) vulnerability in apache software foundation apache http server. EPSS estimates a 5.27% chance of exploitation in the next 30 days, higher than 92.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
5.27%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 13 · Related 10Timeline
- 08-06-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
5.27%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
-0.02 pp
From 5.29% on 18-09-2026
18-09-202618-10-2026
EPSS score5.27%
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
- apache2< 2.4.54-r0
Apache1 product
- http_server< 2.4.54
Apache software foundation1 product
- apache http server≥ unspecified, ≤ 2.4.53
Debian1 product
- apache2< 2.4.54-1
Fedoraproject1 product
- fedoraEOL35 | 36
Netapp1 product
Ubuntu1 product
- apache2< 2.4.7-1ubuntu4.22+esm8 | < 2.4.18-2ubuntu3.17+esm6 | < 2.4.29-1ubuntu4.24 | < 2.4.41-4ubuntu3.12 | < 2.4.52-1ubuntu4.1
7 vendors · 7 products
