CVE-2018-19870: debian debian_linux NULL Pointer Dereference
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-19870DEBIAN-CVE-2018-19870
Published 26-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-19870 is a high (CVSS 8.8) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.9% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
2.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 14 · Related 6Timeline
- 26-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.42%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.42% on 18-09-2026
18-09-202618-10-2026
EPSS score2.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- qtbase-opensource-src< 5.11.3+dfsg-2
- debian_linuxEOL8.0 | 9.0
Opensuse1 product
- leapEOL15.0
Qt1 product
- qt< 5.11.3
Ubuntu1 product
- qtbase-opensource-src< 5.5.1+dfsg-16ubuntu7.6 | < 5.9.5+dfsg-0ubuntu2.1
4 vendors · 5 products
References
14 links- lists.debian.org/debian-lts-announce/2019/01/msg00004.htmlMailing ListX Refsource MLISTThird Party Advisory
- blog.qt.io/blog/2018/12/04/qt-5-11-3-released-important-security-updates/X Refsource CONFIRMRelease NotesVendor AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory