CLSA-2026-1779119053
See a problem?- Import Source
- https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2026-1779119053.json
- JSON Data
- https://api.osv.dev/v1/vulns/CLSA-2026-1779119053
- Upstream
- Published
- 2026-05-18T15:44:17Z
- Modified
- 2026-06-04T10:04:29.025560128Z
- Summary
- Fix of 8 CVEs
- Details
-
- SECURITY UPDATE: modproxyajp heap buffer over-read in ajpmsggetstring
- debian/patches/CVE-2026-34032.patch: add buffer checks in modules/proxy/ajp
- CVE-2026-34032
- SECURITY UPDATE: AJP getter functions off-by-one out-of-bounds reads
- debian/patches/CVE-2026-33857.patch: fix length checks in AJP msgget functions in modules/proxy/ajpmsg.c.
- CVE-2026-33857
- SECURITY UPDATE: modproxyajp heap over-read in ajpparsedata
- debian/patches/CVE-2026-34059.patch: fix message length check in modules/proxy/ajp_header.c.
- CVE-2026-34059
- SECURITY UPDATE: modauthnsocache crash in caching forward proxy
- debian/patches/CVE-2026-33007.patch: validate URL earlier in modules/aaa/modauthnsocache.c.
- CVE-2026-33007
- SECURITY UPDATE: HTTP response splitting via malicious backend status line
- debian/patches/CVE-2026-33523.patch: scan outgoing status line for newlines and controls in modules/http/http_filters.c.
- CVE-2026-33523
- SECURITY UPDATE: modrewrite elevation of privileges via apexpr in .htaccess
- debian/patches/CVE-2026-24072.patch: use APEXPRFLAGRESTRICTED in htaccess context in modules/mappers/modrewrite.c and modules/metadata/modsetenvif.c. modproxy_fcgi hunk omitted — ProxyFCGISetEnvIf was added in 2.4.26, after this source.
- CVE-2026-24072
- SECURITY UPDATE: modauthdigest timing attack allowing Digest auth bypass
- debian/patches/CVE-2026-33006.patch: use a constant-time comparison helper for nonce hash and digest checks, add VALIDNONCE validation and MD5DIGESTLEN length check in getdigestrec, in modules/aaa/modauthdigest.c. Inline apcryptoequalsconsttime() replaces aprcryptoequals (added in apr-util 1.6, not in xenial's apr-util 1.5.4); the upstream apr-util version bump and the aprcrypto.h include are omitted accordingly.
- CVE-2026-33006
- SECURITY UPDATE: modproxyajp ajpmsgcheck_header bounds-check fix
- debian/patches/CVE-2026-28780.patch: tighten the upper-bound check in ajpmsgcheckheader() to reserve AJPHEADERLEN bytes of headroom in modules/proxy/ajpmsg.c (companion to CVE-2026-33857/34032).
- CVE-2026-28780
- SECURITY UPDATE: modproxyajp heap buffer over-read in ajpmsggetstring
- References