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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-56153

CVE-2026-56153: 2 tracked advisory records across Apache, Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Apache

1 advisory

Red Hat

1 advisory
  • Advisory severityHigh7.5

    High [CVE-2026-56153] Denial of Service via heap-based buffer overflow in mod_charset_lite

    CVE-2026-56153Source published Source updated

    Denial of Service via heap-based buffer overflow in mod_charset_lite. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:74858 with package httpd-main-2.4.69-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 3 more.

    Related products — impact not confirmed
    • Red Hat Hardened Images
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7

    3 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • httpd-main-2.4.69-1.hum1
    • RHSA-2026:74858
    Mitigation guidance
    • Disable the mod_charset_lite module if character set translation is not required. 1. Locate the configuration file loading the module, typically within `/etc/httpd/conf.modules.d/` (such as `00-base.conf` or a dedicated module configuration file). 2. Comment out or remove the `LoadModule charset_lite_module` line: ``` # LoadModule charset_lite_module modules/mod_charset_lite.so ``` 3. Reload the httpd service to apply the configuration change: ``` systemctl reload httpd ``` Caveats: Applications that depend on mod_charset_lite for on-the-fly character set conversion will fail to translate character sets once the module is disabled. Warning: Reloading or restarting the httpd service will momentarily disrupt active network connections or in-flight requests.
    Full advisory and evidenceOpen source bulletin

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