CVE-2022-38749: DoS in SnakeYAML
Vulnerability summary
CVE-2022-38749 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 2.20% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 7Timeline
- 05-09-2022PublishedVulnerability first disclosed.
- 03-08-2024Last 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- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · MavenEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.20%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
Increase +0.14 pp
From 2.06% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
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
- snakeyaml< 1.31-1
- debian_linuxEOL10.0
Io.prometheus.jmx2 products
- jmx_prometheus_httpserver0.17.0
- jmx_prometheus_httpserver_java6≤ 0.18.0
Be.cylab1 product
- snakeyaml1.25.1
Com.alipay.sofa.acts1 product
- acts-common-util1.0.0
Org.testifyproject.external1 product
- external-snakeyaml≤ 1.0.6
Org.yaml1 product
- snakeyaml< 1.31
Pl.droidsonroids.yaml1 product
- snakeyaml≤ 1.18.2
Snakeyaml1 product
- snakeyaml≥ unspecified, < 1.31
Snakeyaml_project1 product
- snakeyaml< 1.31
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
12 vendors · 139 products
References
14 links- bitbucket.org/snakeyaml/snakeyaml/issues/525/got-stackoverflowerror-for-many-openREPORTWEBThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/10/msg00001.htmlMailing ListARTICLEWEBThird Party Advisory