Out-of-bounds Read in Libjpeg-Turbo
CVE-2018-14498
get_8bit_row in rdbmp.c in libjpeg-turbo through 1.5.90 and MozJPEG through 3.3.1 allows attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted 8-bit BMP in which one or more of the color indices is out of range for the number of palette entries.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Libjpeg-Turbo
- Mozilla Mozjpeg
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 28
- openSUSE Leap — versions 15.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/libjpeg-turbo/libjpeg-turbo/issues/258 (Exploit, Third Party Advisory)
- github.com/mozilla/mozjpeg/issues/299 (Exploit, Third Party Advisory)
- github.com/libjpeg-turbo/libjpeg-turbo/commit/9c78a04df4e44ef6487eee99c4258397f… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00015.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00015.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:2052 (vendor-advisory)
- access.redhat.com/errata/RHSA-2019:3705 (vendor-advisory)
- usn.ubuntu.com/4190-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-14498?
- CVE-2018-14498 is a medium-severity vulnerability in Libjpeg-Turbo, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-03-07.
- How severe is CVE-2018-14498?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-14498 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.