CVE-2018-16402: canonical ubuntu_linux Double Free
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2018-16402RHSA-2020:1471UBUNTU-CVE-2018-16402DEBIAN-CVE-2018-16402
Published 03-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16402 is a critical (CVSS 9.8) Double Free vulnerability in canonical ubuntu_linux. EPSS estimates a 3.69% chance of exploitation in the next 30 days, higher than 89.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.69%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 8 · Related 5Timeline
- 03-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.
CVSS metrics
7 scores · 5 sources · 3 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 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- 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
Medium 4.3Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LSources2 sources · 4.3–9.8
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.69%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.69% on 18-09-2026
18-09-202618-10-2026
EPSS score3.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceware.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat12 products
- enterprise_linux_desktop7.0
- enterprise_linux_server7.0
- enterprise_linux_workstation7.0
- elfutils< 0:0.172-4.el7_6
- elfutils-debuginfo< 0:0.172-4.el7_6
Debian2 products
- elfutils< 0.175-1
- debian_linuxEOL9.0
Alpine1 product
- elfutils< 0.174-r0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 18.10
Elfutils_project1 product
- elfutils0.173
Opensuse1 product
- leapEOL15.0 | 15.1
Ubuntu1 product
- elfutils< 0.165-3ubuntu1.2 | < 0.170-0.4ubuntu0.1
7 vendors · 19 products
References
17 links- sourceware.org/bugzilla/show_bug.cgi?id=23528X Refsource MISCExploitIssue TrackingThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing ListX Refsource MLISTThird Party Advisory