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Vulnerability record · CVE-2021-3200 · published 18 May 2021

CVE-2021-3200: Opensuse libsolv classic buffer overflow vulnerability

Opensuse · Libsolv

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

3.3 CVSS 3.1 Low EPSS 1.3% · top 30.4% CWE-120 · Classic buffer overflow
3.3CVSS 3.1 base score, v2 4.3
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/openSUSE/libsolv/issues/416 ExploitIssue TrackingThird Party Advisory
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334 ExploitThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://github.com/openSUSE/libsolv/issues/416 ExploitIssue TrackingThird Party Advisory
https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334 ExploitThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-3200), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.