CVE-2022-0856: fedoraproject fedora Divide By Zero
CVSS: 6.5v3.1MediumModified
AliasesMGASA-2022-0172SUSE-SU-2022:1476-1SUSE-SU-2022:1508-1UBUNTU-CVE-2022-0856DEBIAN-CVE-2022-0856
Published 08-03-2022Last modified 02-08-2024
Vulnerability summary
CVE-2022-0856 is a medium (CVSS 6.5) Divide By Zero vulnerability in fedoraproject fedora. EPSS estimates a 2.75% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.75%
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 0 · Related 1Timeline
- 08-03-2022PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
libcaca is affected by a Divide By Zero issue via img2txt, which allows a remote malicious user to cause a Denial of Service
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/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
2.75%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.75% on 19-09-2026
19-09-202619-10-2026
EPSS score2.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibcaca
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Suse5 products
- libcaca&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 0.99.beta19.git20171003-150200.11.6.1
- libcaca&distro=SUSE Linux Enterprise Real Time 15 SP2< 0.99.beta19.git20171003-150200.11.6.1
- libcaca&distro=SUSE Linux Enterprise Server 12 SP5< 0.99.beta18-14.9.1
- libcaca&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 0.99.beta18-14.9.1
- libcaca&distro=SUSE Linux Enterprise Software Development Kit 12 SP5< 0.99.beta18-14.9.1
Opensuse2 products
- libcaca&distro=openSUSE Leap 15.3< 0.99.beta19.git20171003-150200.11.6.1
- libcaca&distro=openSUSE Leap 15.4< 0.99.beta19.git20171003-150200.11.6.1
Debian1 product
- libcacaAll versions (No fix recorded) | < 0.99.beta20-8
Fedoraproject1 product
- fedoraEOL37 | 38
Libcaca_project1 product
- libcaca0.99:beta20
Mageia1 product
- libcaca< 0.99-0.beta19.5.3.mga8
Ubuntu1 product
- libcaca< 0.99.beta18-1ubuntu5.1+esm3 | < 0.99.beta19-2ubuntu0.16.04.2+esm2 | < 0.99.beta19-2ubuntu0.18.04.3+esm1 | < 0.99.beta19-2.1ubuntu1.20.04.2+esm1 | < 0.99.beta19-2.2ubuntu4.1 | < 0.99.beta20-4ubuntu0.1 | < 0.99.beta20-5ubuntu0.25.10.1
7 vendors · 12 products
References
15 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory