CVE-2014-0099: apache tomcat Numeric Errors
Vulnerability summary
CVE-2014-0099 is a medium (CVSS 4.3) Numeric Errors vulnerability in apache tomcat. EPSS estimates a 8.84% chance of exploitation in the next 30 days, higher than 95.2% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 1Timeline
- 31-05-2014PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
Integer overflow in java/org/apache/tomcat/util/buf/Ascii.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4, when operated behind a reverse proxy, allows remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
8.84%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 8.84% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Org.apache.tomcat2 products
- tomcat< 6.0.40 | ≥ 7.0.0, < 7.0.54 | ≥ 8.0.0, < 8.0.6
- tomcat-util< 6.0.40 | ≥ 7.0.0, < 7.0.54 | ≥ 8.0.0, < 8.0.6
Ubuntu2 products
- tomcat6< 6.0.39-1ubuntu0.1
- tomcat7< 7.0.52-1ubuntu0.1
Apache1 product
- tomcatEOL≤ 6.0.39 | 6 | 6.0 | 6.0.0 | 6.0.0:alpha | 6.0.1 | 6.0.1:alpha | 6.0.2 | 6.0.2:alpha | 6.0.2:beta | 6.0.3 | 6.0.4 | 6.0.4:alpha | 6.0.5 | 6.0.6 | 6.0.6:alpha | 6.0.7 | 6.0.7:alpha | 6.0.7:beta | 6.0.8 | 6.0.8:alpha | 6.0.9 | 6.0.9:beta | 6.0.10 | 6.0.11 | 6.0.12 | 6.0.13 | 6.0.14 | 6.0.15 | 6.0.16 | 6.0.17 | 6.0.18 | 6.0.19 | 6.0.20 | 6.0.24 | 6.0.26 | 6.0.27 | 6.0.28 | 6.0.29 | 6.0.30 | 6.0.31 | 6.0.32 | 6.0.33 | 6.0.35 | 6.0.36 | 6.0.37 | 8.0.0:rc1 | 8.0.0:rc10 | 8.0.0:rc2 | 8.0.0:rc5 | 8.0.1 | 8.0.3 | 7.0.0 | 7.0.0:beta | 7.0.1 | 7.0.2 | 7.0.2:beta | 7.0.3 | 7.0.4 | 7.0.4:beta | 7.0.5 | 7.0.6 | 7.0.7 | 7.0.8 | 7.0.9 | 7.0.10 | 7.0.11 | 7.0.12 | 7.0.13 | 7.0.14 | 7.0.15 | 7.0.16 | 7.0.17 | 7.0.18 | 7.0.19 | 7.0.20 | 7.0.21 | 7.0.22 | 7.0.23 | 7.0.24 | 7.0.25 | 7.0.26 | 7.0.27 | 7.0.28 | 7.0.29 | 7.0.30 | 7.0.31 | 7.0.32 | 7.0.33 | 7.0.34 | 7.0.35 | 7.0.36 | 7.0.37 | 7.0.38 | 7.0.39 | 7.0.40 | 7.0.41 | 7.0.42 | 7.0.43 | 7.0.44 | 7.0.45 | 7.0.46 | 7.0.47 | 7.0.48 | 7.0.49 | 7.0.50 | 7.0.52
3 vendors · 5 products
References
63 linksShow all 63 references
- lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.htmlVendor AdvisoryX Refsource FEDORAWEB
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013X Refsource CONFIRMWEB
- github.com/apache/tomcatPACKAGE