CVE-2010-4777: perl Improper Input Validation
Vulnerability summary
CVE-2010-4777 is a medium (CVSS 4.3) Improper Input Validation vulnerability in perl. EPSS estimates a 6.02% chance of exploitation in the next 30 days, higher than 93.3% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 10-02-2014PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
6.02%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.02% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPerl 5.x - 'Perl_reg_numbered_buff_fetch()' Remote Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- perl< 5.20.1-1
Perl1 product
- perl5.10 | 5.12.0 | 5.14.0
2 vendors · 2 products
References
8 links- listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.htmlMailing ListX Refsource MLIST
- bugzilla.redhat.com/show_bug.cgi?id=694166X Refsource MISC
- bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836X Refsource MISC
- forums.ocsinventory-ng.org/viewtopic.php?id=7215X Refsource MISC
- rt.perl.org/Public/Bug/Display.html?id=76538X Refsource CONFIRM