CVE-2018-14498 — get_8bit_row in rdbmp

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

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-03-07T22:00:00.000Z
• Last modified: 2024-08-05T09:29:51.678Z

09References

• github.com — https://github.com/libjpeg-turbo/libjpeg-turbo/issues/258
• github.com — https://github.com/mozilla/mozjpeg/issues/299
• github.com — https://github.com/libjpeg-turbo/libjpeg-turbo/commit/9c78a04df4e44ef6487eee99c4…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/03/msg00021.html
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00015.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00015.html
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:2052
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:3705
• usn.ubuntu.com — https://usn.ubuntu.com/4190-1/
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/07/msg00033.html