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CVE-2010-5298

MEDIUM severity · CVSS 4 · CWE-362
4CVSS MEDIUM

Summary

Race condition in the ssl3_read_bytes function in s3_pkt.c in OpenSSL through 1.0.1g, when SSL_MODE_RELEASE_BUFFERS is enabled, allows remote attackers to inject data across sessions or cause a denial of service (use-after-free and parsing error) via an SSL connection in a multithreaded environment.

Impact & exploitability

Attack vectorNetwork
Attack complexityHigh
Privileges required
User interaction
Confidentiality impactNone
Integrity impact
Availability impact
Exploit probability (EPSS)19%

AV:N/AC:H/Au:N/C:N/I:P/A:P

Affected products we track (3)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://ftp.openbsd.org/pub/OpenBSD/patches/5.5/common/004_openssl.patch.sig ↗

Last checked: Wed, 10 Jun 2026 22:18:30 UTC