CVE-2015-8389: fedoraproject fedora
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2015-8389DEBIAN-CVE-2015-8389
Published 02-12-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-8389 is a critical (CVSS 9.8) vulnerability in fedoraproject fedora. EPSS estimates a 3.89% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.89%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
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 /(?:|a|){100}x/ pattern and related patterns, which allows remote attackers to cause a denial of service (infinite recursion) 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 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- 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
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.89%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.89% on 20-09-2026
20-09-202620-10-2026
EPSS score3.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-185Incorrect Regular ExpressionThe product specifies a regular expression in a way that causes data to be improperly matched or compared.
Affected 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< 2:8.38-3
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
