expat · Apache2: Readfilemap.c
Affects apache2Source GCVE Database
Not known to be exploited.
Data as of 25 Oct 2026, 19:02 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 2.5% chance of exploitation in 30 days – higher than 85% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 3 Jul 2012
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu:Pro:14.04:LTSapache2pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm15?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:14.04:LTSapr-utilpkg:deb/ubuntu/apr-util@1.5.3-1ubuntu0.1~esm2?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:14.04:LTSvnc4pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:14.04:LTSxmlrpc-cpkg:deb/ubuntu/xmlrpc-c@1.33.06-0ubuntu1+esm1?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTSapache2pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm20?arch=source&distro=esm-infra-legacy/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTSapr-utilpkg:deb/ubuntu/apr-util@1.5.4-1ubuntu0.1~esm2?arch=source&distro=esm-infra/xenialOther threats | Affected
| Fixed in– |
Ubuntu:16.04:LTScmakepkg:deb/ubuntu/cmake@3.5.1-1ubuntu3?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTSghostscriptpkg:deb/ubuntu/ghostscript@9.26~dfsg+0-0ubuntu0.16.04.14+esm10?arch=source&distro=esm-infra/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTStexlive-binpkg:deb/ubuntu/texlive-bin@2015.20160222.37495-1ubuntu0.1+esm1?arch=source&distro=esm-infra/xenialOther threats | Affected
| Fixed in– |
Ubuntu:16.04:LTSsmartpkg:deb/ubuntu/smart@1.4-2?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTSvnc4pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1?arch=source&distro=esm-apps/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:16.04:LTSxmlrpc-cpkg:deb/ubuntu/xmlrpc-c@1.33.14-1ubuntu1+esm1?arch=source&distro=esm-apps-legacy/xenialOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTSapache2pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.27+esm11?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Ubuntu:18.04:LTSapr-utilpkg:deb/ubuntu/apr-util@1.6.1-2ubuntu0.1?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu:18.04:LTScmakepkg:deb/ubuntu/cmake@3.10.2-1ubuntu2.18.04.2?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTSghostscriptpkg:deb/ubuntu/ghostscript@9.26~dfsg+0-0ubuntu0.18.04.18+esm5?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTStexlive-binpkg:deb/ubuntu/texlive-bin@2017.20170613.44572-8ubuntu0.2+esm1?arch=source&distro=esm-infra/bionicOther threats | Affected
| Fixed in– |
Ubuntu:18.04:LTSsmartpkg:deb/ubuntu/smart@1.4-2?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu:18.04:LTSvnc4pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37.3ubuntu2?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu:Pro:18.04:LTSxmlrpc-cpkg:deb/ubuntu/xmlrpc-c@1.33.14-8ubuntu0.18.04.1~esm1?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should consult official Ubuntu or Apache advisories for updates or patches addressing this vulnerability.
Description
A vulnerability in the readfilemap.c component of expat before version 2.1.0 allows attackers to cause a denial of service by consuming file descriptors through a large number of crafted XML files. This affects certain Apache2 versions packaged in Ubuntu. No CVSS score is provided.