CVE-2018-5268: debian debian_linux Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesGHSA-9g8h-pjm4-q92pPYSEC-2026-2814PYSEC-2026-705UBUNTU-CVE-2018-5268DEBIAN-CVE-2018-5268
Published 08-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5268 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 08-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.
CVSS metrics
6 scores · 4 sources · 3 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 5.5Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem 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
1.52%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.52% on 19-09-2026
19-09-202619-10-2026
EPSS score1.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOpencv
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- opencv< 3.2.0+dfsg-6
- debian_linuxEOL7.0 | 8.0 | 9.0
PyPI2 products
- opencv-contrib-python< 3.4.1.15
- opencv-python< 3.4.1.15
Opencv1 product
- opencv3.3.1
Ubuntu1 product
- opencv< 2.4.9.1+dfsg-1.5ubuntu1.1 | < 3.2.0+dfsg-4ubuntu0.1
4 vendors · 6 products
References
14 links
lists.debian.org/debian-lts-announce/2018/07/msg00030.htmlMailing ListX Refsource MLISTThird Party AdvisoryWEB- github.com/opencv/opencv/issues/10541X Refsource MISCExploitIssue TrackingMailing ListThird Party AdvisoryWEBREPORT
- lists.debian.org/debian-lts-announce/2018/04/msg00019.htmlMailing ListX Refsource MLISTThird Party AdvisoryWEB
- lists.debian.org/debian-lts-announce/2021/10/msg00028.htmlMailing ListX Refsource MLISTThird Party AdvisoryWEB
