7.5

CVE-2026-56153: apache software foundation apache http server Out-of-bounds Write

CVSS: 7.5v3.1HighAnalyzed
AliasesALPINE-CVE-2026-56153UBUNTU-CVE-2026-56153DEBIAN-CVE-2026-56153
Published 01-10-2026Last modified 01-10-2026
Open JSON

Vulnerability summary

CVE-2026-56153 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in apache software foundation apache http server. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
MGASA-2026-0502RHSA-2026:74858

Timeline

  1. 01-10-2026
    PublishedVulnerability first disclosed.
  2. 01-10-2026
    Last modifiedVulnerability information updated.

Description

Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

02-10-202619-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • apache2< 2.4.69-r0
Apache1 product
Apache software foundation1 product
Debian1 product
  • apache2All versions (No fix recorded) | < 2.4.69-1~deb13u1 | < 2.4.69-1
Ubuntu1 product
  • apache2All versions (No fix recorded)

5 vendors · 5 products

References

7 links