CVE-2018-19757: saitoha libsixel NULL Pointer Dereference
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-19757DEBIAN-CVE-2018-19757
Published 30-11-2018Last modified 17-09-2024
Vulnerability summary
CVE-2018-19757 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in saitoha libsixel. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 57.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
0.86%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 30-11-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.
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
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
-0.01 pp
From 0.87% on 18-09-2026
18-09-202618-10-2026
EPSS score0.86%
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
Debian1 product
- libsixel< 1.8.2-2
Saitoha1 product
- libsixel1.8.2
Ubuntu1 product
- libsixelAll versions (No fix recorded)
3 vendors · 3 products
References
4 links- bugzilla.redhat.com/show_bug.cgi?id=1649197X Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
