6.8

CVE-2007-1660: pcre

Modified
AliasesRHSA-2007:0968DEBIAN-CVE-2007-1660
Published 07-11-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-1660 is a medium (CVSS 6.8) vulnerability in pcre. EPSS estimates a 4.08% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
4.08%
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 7

Timeline

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

Description

Perl-Compatible Regular Expression (PCRE) library before 7.0 does not properly calculate sizes for unspecified "multiple forms of character class", which triggers a buffer overflow that allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.08%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.08% 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.

Redhat3 products
  • pcre< 0:4.5-4.el4_5.1
  • pcre-debuginfo< 0:4.5-4.el4_5.1
  • pcre-devel< 0:4.5-4.el4_5.1
Debian2 products
  • glib2.0< 2.14.3-1
  • pcre3< 7.3-1
Pcre1 product

3 vendors · 6 products

References

72 links
Show all 72 references