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CVE-2026-56153

Apache HTTP Server: mod_charset_lite: Heap overflow in finish_partial_char

HIGH
7.5
CVSS Score
Published: October 1, 2026 at 04:03 PM UTC
Updated: October 2, 2026 at 08:53 PM UTC
1 product affected across 1 vendorHTTP Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

HTTP Server· Apache
95%
2.4.0 ≤ v ≤ 2.4.682.4.0
Affected range stops below 2.4.69, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://httpd.apache.org/security/vulnerabilities_24.html
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/10/01/16

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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