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BIT-libphp-2026-91767

Published Oct 1, 2026·Last modified Oct 1, 2026
Affected Components(4)
Bitnami logolibphp
8.2.0 – 8.2.34
Bitnami logolibphp
8.3.0 – 8.3.35
Bitnami logolibphp
8.4.0 – 8.4.26
1 / 2
Description

php_openssl_matches_wildcard_name() in ext/openssl/xp_ssl.c underflows the length argument passed to memchr() when a TLS server certificate presents a wildcard name whose literal characters are together longer than the hostname being verified. A malicious server presenting such a certificate makes the PHP client read up to SIZE_MAX bytes past the end of a heap allocation. The path is reachable from any default client stream, because verify_peer_name is enabled by default.

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Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-91767
    Alias
  • EUVD-2026-87343
    Alias
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