CVE-2015-8390: fedoraproject fedora Use of Uninitialized Resource
Vulnerability summary
CVE-2015-8390 is a critical (CVSS 9.8) Use of Uninitialized Resource vulnerability in fedoraproject fedora. EPSS estimates a 4.66% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 02-12-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
PCRE before 8.38 mishandles the [: and \\ substrings in character classes, which allows remote attackers to cause a denial of service (uninitialized memory read) 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- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.66%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.66% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- pcre3< 2:8.38-1
Fedoraproject1 product
- fedoraEOL22
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
5 vendors · 5 products
References
12 links- lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.htmlVendor AdvisoryThird Party Advisory
- h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731Third Party Advisory