mod_sed denial of service
25Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 90%
exploitation probability
90%top 1% of all CVEs
observed exploitation
nono source reports it
What the vendors declare (VEX)
Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.
Red HatVEX document ↗
Affected
3 products (11 components)
Red Hat Enterprise Linux 7 · Red Hat JBoss Enterprise Application Platform 6 · Red Hat JBoss Web Server 3
workaround: Disabling mod_sed and restarting httpd will mitigate this flaw.
Fixed
7 products (224 components)
Red Hat Enterprise Linux AppStream (v. 8) · Red Hat Enterprise Linux AppStream (v. 9) · Red Hat Software Collections for RHEL Workstation(v. 7) · Red Hat JBoss Core Services on RHEL 8 · Red Hat JBoss Core Services on RHEL 7 Server · and others 2
Not affected
3 products (111 components) — because the vulnerable code is not present in the product
Red Hat JBoss Core Services on RHEL 8 · Red Hat JBoss Core Services on RHEL 7 Server · Red Hat Enterprise Linux 6
If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.
Affected products
Apache Software Foundation · Apache HTTP ServerReferences
https://httpd.apache.org/security/vulnerabilities_24.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/https://security.gentoo.org/glsa/202208-20https://security.netapp.com/advisory/ntap-20220624-0005/http://www.openwall.com/lists/oss-security/2022/06/08/6