CVE-2011-1928 json
The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18…
published 2011-05-24 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1926
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.3%
- EPSS 10.3% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
The fnmatch implementation in apr_fnmatch.c in the Apache Portable Runtime (APR) library 1.4.3 and 1.4.4, and the Apache HTTP Server 2.2.18, allows remote attackers to cause a denial of service (infinite loop) via a URI that does not match unspecified types of wildcard patterns, as demonstrated by attacks against mod_autoindex in httpd when a /*/WEB-INF/ configuration pattern is used. NOTE: this issue exists because of an incorrect fix for CVE-2011-0419.
Patch / fix
- apr Debian 14, Debian 13, Debian 12 1.4.5-1
debian advisories DEBIAN-CVE-2011-1928
- apr RHEL 4 0.9.4-26.el4
- apr RHEL 5 1.2.7-11.el5_6.5
- apr RHEL 6 1.3.9-3.el6_1.2
red hat advisories RHSA-2011:0844
- apr openSUSE Tumbleweed 1.5.2-3.4
- apr openSUSE Tumbleweed 1.7.0-3.1
opensuse advisories openSUSE-SU-2024:10063-1openSUSE-SU-2024:11596-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-1928 updated cvss 2.6
apr: DoS flaw in apr_fnmatch() due to fix for CVE-2011-0419
-
Red Hat Enterprise Linux (v. 5 server) apr 1.2.7-11.el5_6.5 Red Hat Enterprise Linux AS version 4 apr 0.9.4-26.el4 Red Hat Enterprise Linux Desktop (v. 5 client) apr 1.2.7-11.el5_6.5 Red Hat Enterprise Linux Desktop version 4 apr 0.9.4-26.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) apr 1.2.7-11.el5_6.5 Red Hat Enterprise Linux ES version 4 apr 0.9.4-26.el4fixed: vendor fix RHSA-2011:0844
+2 more productsfewer
Red Hat Enterprise Linux Server (v. 6) apr 1.3.9-3.el6_1.2 Red Hat Enterprise Linux WS version 4 apr 0.9.4-26.el4
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
10.32% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
redhat.com
/support/errata/RHSA-2011-0844.html
vendor-advisory
-
marc.info
/?l=bugtraq&m=134987041210674&w=2
vendor-advisory
-
mandriva.com
/security/advisories?name=MDVSA-2011:095
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2011-11/msg00011.html
vendor-advisory
-
secunia.com
/advisories/44661
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2011/1289
vdb-entry, vendor-advisory
-
vupen.com
/english/advisories/2011/1290
vdb-entry, vendor-advisory
-
secunia.com
/advisories/44558
third-party-advisory, vendor-advisory
-
secunia.com
/advisories/48308
third-party-advisory
- bugs.debian.org /cgi-bin/bugreport.cgi?bug=627182
-
secunia.com
/advisories/44613
third-party-advisory
-
mail-archives.apache.org
/mod_mbox/www-announce/201105.mbox/%3c4DD55076.1060005%40apache.org%3e
mailing-list
-
openwall.com
/lists/oss-security/2011/05/19/5
mailing-list
-
secunia.com
/advisories/44780
third-party-advisory
-
openwall.com
/lists/oss-security/2011/05/19/10
mailing-list
-
mail-archives.apache.org
/mod_mbox/httpd-announce/201105.mbox/%3C4DD55092.3030403%40apache.org%3E
mailing-list
- issues.apache.org /bugzilla/show_bug.cgi?id=51219
Sources
- CVE List CVE-2011-1928
- NVD CVE-2011-1928
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.