[openssl/openssl] cb1e16: Fix NULL dereference in v2i_AUTHORITY_KEYID()
"'Adam Tabak' via openssl-commits" <[email protected]>
| Newsgroups | gmane.comp.encryption.openssl.cvs |
|---|---|
| Message-ID | <openssl/openssl/push/refs/heads/master/[email protected]> |
Branch: refs/heads/master
Home: https://github.com/openssl/openssl
Commit: cb1e161353deaea65fb0f5484aab06d1d76dc2d0
https://github.com/openssl/openssl/commit/cb1e161353deaea65fb0f5484aab06d1d76dc2d0
Author: Greensi7 <[email protected]>
Date: 2026-08-07 (Fri, 07 Aug 2026)
Changed paths:
M crypto/x509/v3_akid.c
Log Message:
-----------
Fix NULL dereference in v2i_AUTHORITY_KEYID()
X509V3_EXT_d2i() may return NULL on malformed input
or on allocation failure. v2i_AUTHORITY_KEYID() passed
that NULL to ASN1_STRING_length_ex() causing NULL dereference.
Found by x509v3 fuzzer. Example fuzzer input:
```
[default]
subjectKeyIdentifier = DER:05:00
authorityKeyIdentifier = keyid
```
Reviewed-by: Milan Broz <[email protected]>
Reviewed-by: Viktor Dukhovni <[email protected]>
MergeDate: Fri Aug 7 13:42:59 2026
(Merged from https://github.com/openssl/openssl/pull/32177)
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