CVE-2018-7751: ffmpeg Infinite Loop
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-7751DEBIAN-CVE-2018-7751CGA-6hvr-62p3-46h2CGA-cgpc-g2fq-gv33CGA-cv5r-3rmh-jv96CGA-cwmq-vhmm-f6qxCGA-fqhh-vwhf-3cvhCGA-p7jx-x49r-grx9CGA-r462-28cm-vhg7CGA-v9fq-h8q5-hg6v
Published 24-04-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-7751 is a medium (CVSS 6.5) Infinite Loop vulnerability in ffmpeg. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
2.24%
0%100%
Low · -0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 24-04-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The svg_probe function in libavformat/img2dec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (Infinite Loop) via a crafted XML file.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/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
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
-0.04 pp
From 2.28% on 18-09-2026
18-09-202618-10-2026
EPSS score2.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard4 products
- torchaudio-ffmpeg-tarballsAll versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-4.4.4All versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-5.0.3All versions (No fix recorded)
- torchaudio-ffmpeg-tarballs-6.0All versions (No fix recorded)
Ubuntu4 products
- ffmpeg< 7:3.4.4-0ubuntu0.18.04.1
- gst-libav1.0All versions (No fix recorded)
- mythtvAll versions (No fix recorded)
- oxide-qtAll versions (No fix recorded)
Debian1 product
- ffmpeg< 7:3.4.3-1
Ffmpeg1 product
- ffmpeg≤ 3.4.2
4 vendors · 10 products
References
6 links- git.ffmpeg.org/gitweb/ffmpeg.git/commit/a6cba062051f345e8ebfdff34aba071ed73d923fX Refsource CONFIRMPatchREPORTFIX
