CVE-2018-19763: saitoha libsixel Out-of-bounds Read
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-19763DEBIAN-CVE-2018-19763
Published 30-11-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-19763 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in saitoha libsixel. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.68%
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.
- 16-09-2024Last modifiedVulnerability information updated.
Description
There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/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
0.68%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
-0.01 pp
From 0.68% on 19-09-2026
19-09-202619-10-2026
EPSS score0.68%
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=1649201X Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
