OSV-2020-29
Heap-use-after-free in CRYPTO_DOWN_REF
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20816
Crash type: Heap-use-after-free WRITE 4
Crash state:
CRYPTO_DOWN_REF
DH_free
evp_pkey_free_it
What each source reports
OSV No score
Heap-use-after-free in CRYPTO_DOWN_REF
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20816
Crash type: Heap-use-after-free WRITE 4
Crash state:
CRYPTO_DOWN_REF
DH_free
evp_pkey_free_it
- Record
OSV-2020-29- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
opensslOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2020-29 is a vulnerability with no CVSS score yet in openssl, published June 24, 2020. No source lists public exploit code. A source reports a fix.