6.5

CVE-2022-38751: DoS in SnakeYAML

Modified
AliasesUBUNTU-CVE-2022-38751DEBIAN-CVE-2022-38751CGA-22q4-8437-7r74
Published 05-09-2022Last modified 21-04-2025

Vulnerability summary

CVE-2022-38751 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 81% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
2.03%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 7
DLA-3132-1RHSA-2023:1043RHSA-2023:1044RHSA-2023:1045RHSA-2023:2097SUSE-SU-2022:3397-1

Timeline

  1. 05-09-2022
    PublishedVulnerability first disclosed.
  2. 21-04-2025
    Last modifiedVulnerability information updated.

Description

Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

2.03%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

Increase +0.13 pp

From 1.91% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard120 products
  • cassandra-5.0All versions (No fix recorded)
  • cassandra-5.0-compatAll versions (No fix recorded)
  • cassandra-5.0-entrypoint-compatAll versions (No fix recorded)
  • cassandra-5.0-iamguarded-compatAll versions (No fix recorded)
  • cassandra-fips-5.0All versions (No fix recorded)
Wolfi7 products
  • cassandra-5.0All versions (No fix recorded)
  • cassandra-5.0-compatAll versions (No fix recorded)
  • cassandra-5.0-entrypoint-compatAll versions (No fix recorded)
  • cassandra-5.0-iamguarded-compatAll versions (No fix recorded)
  • cqlsh-5.0All versions (No fix recorded)
Debian2 products
Org.yaml1 product
  • snakeyaml< 1.31
Snakeyaml1 product
Snakeyaml_project1 product
Ubuntu1 product
  • snakeyaml< 1.12-2ubuntu0.14.04.1~esm1 | < 1.12-2ubuntu0.16.04.1~esm1 | < 1.23-1+deb10u1build0.18.04.1 | < 1.25+ds-2ubuntu0.1 | < 1.29-1ubuntu0.22.04.1

7 vendors · 133 products

References

14 links
Show all 14 references