CVE-2009-2699
The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote attackers to cause a denial of service (daemon hang) via unspecified HTTP requests, related to the prefork and event MPMs.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 14.17% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-667
- Affected
- apache/http server · apache/portable runtime
- Source
- cve@mitre.org
EPSS 14.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://marc.info/?l=bugtraq&m=133355494609819&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://securitytracker.com/id?1022988Broken Link, Third Party Advisory, VDB Entry
- http://www.apache.org/dist/httpd/CHANGES_2.2.14Broken Link, Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
- http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlThird Party Advisory
- http://www.securityfocus.com/bid/36596Patch, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53666Third Party Advisory, VDB Entry
- https://issues.apache.org/bugzilla/show_bug.cgi?id=47645Issue Tracking, Vendor Advisory
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- http://marc.info/?l=bugtraq&m=133355494609819&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://securitytracker.com/id?1022988Broken Link, Third Party Advisory, VDB Entry
- http://www.apache.org/dist/httpd/CHANGES_2.2.14Broken Link, Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link
- http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.htmlThird Party Advisory
- http://www.securityfocus.com/bid/36596Patch, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53666Third Party Advisory, VDB Entry
- https://issues.apache.org/bugzilla/show_bug.cgi?id=47645Issue Tracking, Vendor Advisory
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.