CVE-2021-3200: opensuse libsolv
Vulnerability summary
CVE-2021-3200 is a medium (CVSS 4.3) vulnerability in opensuse libsolv. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities. 2 public exploits are recorded.
Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Duplicates 8 · Related 2Timeline
- 18-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS trend
Probability
1.31%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.31% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundLibsolv
Maturity: poc
Poc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat11 products
- libsolv< 0:0.7.19-1.el8
- libsolv-debuginfo< 0:0.7.19-1.el8
- libsolv-debugsource< 0:0.7.19-1.el8
- libsolv-demo-debuginfo< 0:0.7.19-1.el8
- libsolv-devel< 0:0.7.19-1.el8
Debian1 product
- libsolv< 0.7.17-1
Mageia1 product
- libsolv< 0.7.19-1.mga8
Opensuse1 product
- libsolv< 0.7.17
Oracle1 product
Ubuntu1 product
- libsolvAll versions (No fix recorded)
6 vendors · 16 products
References
18 links- github.com/openSUSE/libsolv/issues/416X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
- github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334X Refsource MISCREPORTExploitThird Party Advisory
