9.8

CVE-2015-8391: fedoraproject fedora

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2015-8391DEBIAN-CVE-2015-8391
Published 02-12-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-8391 is a critical (CVSS 9.8) vulnerability in fedoraproject fedora. EPSS estimates a 6.40% chance of exploitation in the next 30 days, higher than 93.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
6.40%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 3

Timeline

  1. 02-12-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of service (CPU consumption) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

6.40%

Chance of exploitation in the next 30 days

Percentile

94%

Versus all other CVEs

30-day change

0.00 pp

From 6.40% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat6 products
Debian1 product
  • pcre3< 2:8.38-1
Fedoraproject1 product
Oracle1 product
Pcre1 product
Php1 product
  • php≥ 5.5.0, < 5.5.32 | ≥ 5.6.0, < 5.6.18 | ≥ 7.0.0, < 7.0.3
Ubuntu1 product
  • pcre3< 1:8.31-2ubuntu2.2

7 vendors · 12 products

References

17 links
Show all 17 references