CVE-2023-2953: apple macos NULL Pointer Dereference
CVSS: 7.5v3.1HighModified
AliasesMGASA-2023-0252SUSE-SU-2023:2483-1SUSE-SU-2023:2484-1SUSE-SU-2023:2503-1RHSA-2024:4264RHSA-2024:6033RHSA-2025:8176RHSA-2025:8181UBUNTU-CVE-2023-2953USN-6197-1USN-6616-1DEBIAN-CVE-2023-2953
Published 30-05-2023Last modified 14-10-2026
Vulnerability summary
CVE-2023-2953 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in apple macos. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.00%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-05-2023PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.
CVSS metrics
5 scores · 5 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources5 sources · 7.1–7.5
- OSV · Red hatEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.00%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
+0.05 pp
From 1.95% on 19-09-2026
19-09-202619-10-2026
EPSS score2.00%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse14 products
- openldap2&distro=SUSE Linux Enterprise Micro 5.1< 2.4.46-150200.14.14.1
- openldap2&distro=SUSE Linux Enterprise Micro 5.2< 2.4.46-150200.14.14.1
- openldap2&distro=SUSE Linux Enterprise Micro 5.3< 2.4.46-150200.14.14.1
- openldap2&distro=SUSE Linux Enterprise Micro 5.4< 2.4.46-150200.14.14.1
- openldap2&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2.4.46-150200.14.14.1
Redhat11 products
- enterprise_linux8.0 | 9.0
- openldap< 0:2.4.46-19.el8_10 | < 0:2.4.46-20.el8_8 | < 0:2.6.2-1.el9_0.1 | < 0:2.6.2-3.el9_2.1
- openldap-clients< 0:2.4.46-19.el8_10 | < 0:2.4.46-20.el8_8 | < 0:2.6.2-1.el9_0.1 | < 0:2.6.2-3.el9_2.1
- openldap-clients-debuginfo< 0:2.4.46-19.el8_10 | < 0:2.4.46-20.el8_8 | < 0:2.6.2-1.el9_0.1 | < 0:2.6.2-3.el9_2.1
- openldap-compat< 0:2.6.2-1.el9_0.1 | < 0:2.6.2-3.el9_2.1
Netapp8 products
Opensuse3 products
- openldap2&distro=openSUSE Leap 15.4< 2.4.46-150200.14.14.1
- openldap2&distro=openSUSE Leap 15.5< 2.4.46-150200.14.14.1
- openldap2&distro=openSUSE Leap Micro 5.3< 2.4.46-150200.14.14.1
Apple1 product
- macos≥ 11.0, < 11.7.9 | ≥ 12.0, < 12.6.8 | ≥ 13.0, < 13.5
Debian1 product
- openldapAll versions (No fix recorded) | < 2.5.16+dfsg-1
Mageia1 product
- openldap< 2.4.57-1.3.mga8
Openldap1 product
- openldap2.4
Ubuntu1 product
- openldap< 2.4.31-1+nmu2ubuntu8.5+esm6 | < 2.4.42+dfsg-2ubuntu3.13+esm2 | < 2.4.45+dfsg-1ubuntu1.11+esm1 | < 2.4.49+dfsg-2ubuntu1.10 | < 2.5.16+dfsg-0ubuntu0.22.04.2
9 vendors · 41 products
References
34 links- security.netapp.com/advisory/ntap-20230703-0005/Third Party Advisory
- support.apple.com/kb/HT213843Third Party Advisory
- support.apple.com/kb/HT213844Third Party Advisory
- support.apple.com/kb/HT213845Third Party Advisory
- seclists.org/fulldisclosure/2023/Jul/52Mailing List
- seclists.org/fulldisclosure/2023/Jul/48Mailing List
- seclists.org/fulldisclosure/2023/Jul/47Mailing List