7.5

CVE-2007-5116: larry_wall perl

Modified
AliasesRHSA-2007:0966RHSA-2007:1011DEBIAN-CVE-2007-5116
Published 07-11-2007Last modified 07-08-2024
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Vulnerability summary

CVE-2007-5116 is a high (CVSS 7.5) vulnerability in larry_wall perl. EPSS estimates a 4.83% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
4.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1

Timeline

  1. 07-11-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.83%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.83% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat7 products
  • enterprise_linux1.0
  • perl< 2:5.8.0-97.EL3 | < 3:5.8.5-36.el4_5.2 | < 4:5.8.8-10.el5_0.2 | < 4:5.8.8-5.el4s1_2
  • perl-CGI< 2:2.89-97.EL3
  • perl-CPAN< 2:1.61-97.EL3
  • perl-DB_File< 2:1.806-97.EL3
Debian1 product
  • perl< 5.8.8-11.1+lenny1 | < 5.8.4-8sarge6 | < 5.8.8-7etch1 | < 5.8.8-12
Larry_wall1 product
  • perl5.8.0 | 5.8.1 | 5.8.3 | 5.8.4 | 5.8.4.1 | 5.8.4.2 | 5.8.4.2.3 | 5.8.4.3 | 5.8.4.4 | 5.8.4.5 | 5.8.6
Mandrakesoft1 product
Openpkg1 product

5 vendors · 11 products

References

61 links
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