Out-of-bounds Read in Exiv2
CVE-2018-16336
Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.
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: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Exiv2 — versions 0.26
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Exiv2/exiv2/issues/400 (Third Party Advisory)
- usn.ubuntu.com/3852-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16336?
- CVE-2018-16336 is a medium-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-09-02.
- How severe is CVE-2018-16336?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-16336 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.