CVE-2015-5180: canonical ubuntu_linux NULL Pointer Dereference
Vulnerability summary
CVE-2015-5180 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 6.22% chance of exploitation in the next 30 days, higher than 93.5% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 27-06-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
res_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash).
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
6.22%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.22% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse4 products
- glibc&distro=SUSE Linux Enterprise Desktop 12 SP4< 2.22-100.15.4
- glibc&distro=SUSE Linux Enterprise Server 12 SP4< 2.22-100.15.4
- glibc&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP4< 2.22-100.15.4
- glibc&distro=SUSE Linux Enterprise Software Development Kit 12 SP4< 2.22-100.15.4
Ubuntu2 products
- eglibcAll versions (No fix recorded)
- glibcAll versions (No fix recorded)
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04
Debian1 product
- glibc< 2.24-9
Gnu1 product
- glibc≤ 2.24
5 vendors · 9 products
References
21 links- bugzilla.redhat.com/show_bug.cgi?id=1249603X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryVDB Entry
- sourceware.org/ml/libc-alpha/2017-02/msg00079.htmlMailing ListX Refsource MLISTRelease NotesThird Party Advisory
Show all 21 references
- bugzilla.suse.com/941234REPORT
