SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-5298

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…

MEDIUM 4.0EPSS 34.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 34.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 2.0
4.0 MEDIUMAV:N/AC:H/Au:N/C:N/I:P/A:P
EPSS
34.13% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-362
Affected
openssl/openssl · mariadb/mariadb · fedoraproject/fedora · suse/linux enterprise desktop · suse/linux enterprise server · suse/linux enterprise software development kit · suse/linux enterprise workstation extension
Source
cve@mitre.org
EPSS trend
0%18%35%4 November 2026: 34.13%4 November 20264 November 2026

EPSS 34.1% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.