openldap-bugs February 2026

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[Issue 9022] Force slapadd to rewrite all entryCSN values
by openldap-its＠openldap.org 13 Feb '26

13 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=9022 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|2.7.1 |2.7.0 Status|UNCONFIRMED |RESOLVED Resolution|--- |TEST --- Comment #3 from Quanah Gibson-Mount <quanah(a)openldap.org> --- • 1780b212 by Ondřej Kuzník at 2026-02-09T18:41:47+00:00 ITS#9022 Introduce -o remove-sids= to slapadd -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10439] New: The value of the mc_xcursor pointer in the context of calling the mdb_xcursor_init1() function
by openldap-its＠openldap.org 11 Feb '26

11 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=10439 Issue ID: 10439 Summary: The value of the mc_xcursor pointer in the context of calling the mdb_xcursor_init1() function Product: OpenLDAP Version: 2.6.12 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: libraries Assignee: bugs(a)openldap.org Reporter: mishtitov(a)gmail.com Target Milestone: --- Problem occurs in functions `mdb_cursor_first()`, `mdb_cursor_last()` and `mdb_cursor_set()`. After having been compared to a NULL value, pointer 'mc->mc_xcursor' is passed in call to function 'mdb_xcursor_init1()` where it is dereferenced. This might happen when the node flag `F_DUPDATA` is set, but the database does not have the `MDB_DUPSORT` flag, leading to `mc->mc_xcursor` being uninitialized. I think that this is very unlikely to happen, but I haven't found a clear connection between the `F_DUPDATA` and `MDB_DUPSORT` flags. Please consider wheter if it's worth adding a NULL check there. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10452] New: Potential NULL dereference in slap_acl_mask()
by openldap-its＠openldap.org 11 Feb '26

11 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=10452 Issue ID: 10452 Summary: Potential NULL dereference in slap_acl_mask() Product: OpenLDAP Version: 2.6.8 Hardware: All OS: All Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: slapd Assignee: bugs(a)openldap.org Reporter: nastentsiya.filimonova(a)gmail.com Target Milestone: --- I've noticed potentially inconsistent NULL checks for the op->o_conn field in function slap_acl_mask (source file openldap-2.6.8/servers/slapd/acl.c). At first, op->o_conn is explicitly checked for NULL: if ( op->o_conn && !BER_BVISNULL( &op->o_conn->c_ndn ) ) { ndn = op->o_conn->c_ndn; } else { ndn = op->o_ndn; } This suggests that op->o_conn may indeed be NULL in some scenarios. However, right after that in the same function there are several unconditional dereferences of op->o_conn without a preceding NULL check, for example: if ( !op->o_conn->c_listener ) { continue; } if ( !op->o_conn->c_peer_domain.bv_val ) { continue; } if ( !op->o_conn->c_peer_name.bv_val ) { continue; } Could you please clarify whether op->o_conn is guaranteed to be non-NULL for all possible paths reaching these code sections? If op->o_conn can indeed be NULL here, these dereferences may lead to a NULL pointer dereference and would require additional checks. If op->o_conn is guaranteed to be non-NULL by design, please confirm this (it would also be useful to document this assumption explicitly). Thank you. -- You are receiving this mail because: You are on the CC list for the issue.

1 5

[Issue 6104] race condition with cancel operation
by openldap-its＠openldap.org 06 Feb '26

06 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=6104 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kangyang126(a)gmail.com --- Comment #16 from Howard Chu <hyc(a)openldap.org> --- *** Issue 10444 has been marked as a duplicate of this issue. *** -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 6104] race condition with cancel operation
by openldap-its＠openldap.org 06 Feb '26

06 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=6104 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.openldap.org/s | |how_bug.cgi?id=10444 -- You are receiving this mail because: You are on the CC list for the issue.

1 0

[Issue 6916] slapo-unique returns operations error when assertion control is used
by openldap-its＠openldap.org 04 Feb '26

04 Feb '26

https://bugs.openldap.org/show_bug.cgi?id=6916 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.openldap.org/s | |how_bug.cgi?id=10440 -- You are receiving this mail because: You are on the CC list for the issue.

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openldap-bugs February 2026