CLSA-2026-1791450651

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Import Source
https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json
JSON Data
https://api.osv.dev/v1/vulns/CLSA-2026-1791450651
Upstream
CVE (5)
  • CVE-2026-56154
  • CVE-2026-63292
  • CVE-2026-63686
  • CVE-2026-73636
  • CVE-2026-73637
Published
2026-10-08T09:11:08Z
Modified
2026-10-26T09:32:04Z
Summary
Fix of 5 CVEs
Details
  • SECURITY UPDATE: use-after-free in mod_rewrite lookahead variables
    • debian/patches/CVE-2026-56154.patch: copy the Vary value gathered during a LA-U/LA-F lookahead into the main request pool before the sub-request is destroyed in modules/mappers/mod_rewrite.c.
    • CVE-2026-56154
  • SECURITY UPDATE: buffer overflow in mod_vhost_alias interpolation
    • debian/patches/CVE-2026-63292.patch: reject a VirtualDocumentRoot expansion segment that does not fit the buffer in modules/mappers/mod_vhost_alias.c.
    • CVE-2026-63292
  • SECURITY UPDATE: crash in mod_xml2enc on incomplete input
    • debian/patches/CVE-2026-63686.patch: handle APR_INCOMPLETE from the converter and pass the rest raw after a conversion failure instead of reusing a NULL converter in modules/filters/mod_xml2enc.c.
    • CVE-2026-63686
  • SECURITY UPDATE: digest replay and use-after-free in mod_auth_digest
    • debian/patches/CVE-2026-73636_CVE-2026-73637.patch: enforce one-time nonce and nonce-count handling, and only use shared client entries under the client lock, in modules/aaa/mod_auth_digest.c.
    • CVE-2026-73636
    • CVE-2026-73637
References

Affected packages

TuxCare:Ubuntu:18.04
apache2

Package

Name
apache2
Purl
pkg:deb/tuxcare/apache2?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-bin

Package

Name
apache2-bin
Purl
pkg:deb/tuxcare/apache2-bin?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-data

Package

Name
apache2-data
Purl
pkg:deb/tuxcare/apache2-data?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-dev

Package

Name
apache2-dev
Purl
pkg:deb/tuxcare/apache2-dev?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-doc

Package

Name
apache2-doc
Purl
pkg:deb/tuxcare/apache2-doc?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-ssl-dev

Package

Name
apache2-ssl-dev
Purl
pkg:deb/tuxcare/apache2-ssl-dev?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-suexec-custom

Package

Name
apache2-suexec-custom
Purl
pkg:deb/tuxcare/apache2-suexec-custom?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-suexec-pristine

Package

Name
apache2-suexec-pristine
Purl
pkg:deb/tuxcare/apache2-suexec-pristine?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"
apache2-utils

Package

Name
apache2-utils
Purl
pkg:deb/tuxcare/apache2-utils?distro=ubuntu-18.04

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.27+tuxcare.els16

Database specific

source 
"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1791450651.json"