CVE-2023-31979: fossies catdoc Classic Buffer Overflow
CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2023-31979DEBIAN-CVE-2023-31979
Published 09-05-2023Last modified 29-01-2025
Vulnerability summary
CVE-2023-31979 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in fossies catdoc. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 09-05-2023PublishedVulnerability first disclosed.
- 29-01-2025Last modifiedVulnerability information updated.
Description
Catdoc v0.95 was discovered to contain a global buffer overflow via the function process_file at /src/reader.c.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% on 20-09-2026
20-09-202620-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCatdoc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- catdocAll versions (No fix recorded)
Fossies1 product
- catdoc0.95
Ubuntu1 product
- catdocAll versions (No fix recorded)
3 vendors · 3 products
