5

CVE-2007-4767: pcre

Modified
AliasesDEBIAN-CVE-2007-4767
Published 07-11-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-4767 is a medium (CVSS 5.0) vulnerability in pcre. EPSS estimates a 5.07% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities.

Priority
Routine

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

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
5.07%
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 3

Timeline

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

Description

Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.07%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

No change 0.00 pp

From 5.07% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Debian2 products
  • glib2.0< 2.14.3-1
  • pcre3< 7.3-1
Pcre1 product
  • pcre≤ 6.0 | ≤ 6.1 | ≤ 7.3

2 vendors · 3 products

References

45 links
Show all 45 references