CVE-2012-0840

NameCVE-2012-0840
Descriptiontables/apr_hash.c in the Apache Portable Runtime (APR) library through 1.4.5 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs655435

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
apr (PTS)jessie1.5.1-3fixed
stretch1.5.2-5fixed
bullseye, sid, buster1.6.5-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
aprsource(unstable)1.4.6-1low655435

Notes

[squeeze] - apr <no-dsa> (exploitability in httpd extremely limited, not known to be exploitable in svn)
Commit http://mail-archives.apache.org/mod_mbox/apr-commits/201201.mbox/%3C20120115003715.071D423888FD@eris.apache.org%3E seems to cause regressions

Search for package or bug name: Reporting problems