CVE-2018-16646: canonical ubuntu_linux Infinite Loop
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-16646DEBIAN-CVE-2018-16646DLA-1562-2DLA-1562-3
Published 06-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16646 is a medium (CVSS 6.5) Infinite Loop vulnerability in canonical ubuntu_linux. EPSS estimates a 2.88% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
2.88%
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 10 · Related 6Timeline
- 06-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file. A remote attacker can leverage this for a DoS attack.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.88%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 2.88% on 18-09-2026
18-09-202618-10-2026
EPSS score2.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- poppler< 0.71.0-4 | < 0.26.5-2+deb8u6 | < 0.26.5-2+deb8u7
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 18.10
Freedesktop1 product
- poppler0.68.0
Ubuntu1 product
- poppler< 0.24.5-2ubuntu4.13 | < 0.41.0-0ubuntu1.9 | < 0.62.0-2ubuntu2.4
4 vendors · 5 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=1622951X Refsource MISCExploitIssue TrackingPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2018/11/msg00040.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2018/10/msg00024.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/12/msg00004.htmlMailing ListX Refsource MLISTThird Party Advisory