CVE-2022-23308: apple ipados Use After Free
Vulnerability summary
CVE-2022-23308 is a high (CVSS 7.5) Use After Free vulnerability in apple ipados. EPSS estimates a 5.12% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities.
Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 26-02-2022PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.
CVSS metrics
7 scores · 6 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · Red hatEcosystem advisory · calculated8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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
5.12%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.12% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse54 products
- libxml2-python&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 2.7.6-0.77.43.1
- libxml2-python&distro=SUSE Linux Enterprise Server 11 SP4-LTSS< 2.7.6-0.77.43.1
- libxml2&distro=HPE Helion OpenStack 8< 2.9.4-46.49.1
- libxml2&distro=SUSE Linux Enterprise Point of Sale 11 SP3< 2.7.6-0.77.43.1
- libxml2&distro=SUSE Linux Enterprise Server 11 SP4-LTSS< 2.7.6-0.77.43.1
Netapp19 products
- active_iq_unified_managerna
- bootstrap_osna
- clustered_data_ontapna
- clustered_data_ontap_antivirus_connectorna
- h300e_firmwarena
Oracle7 products
- communications_cloud_native_core_binding_support_function22.2.0
- communications_cloud_native_core_network_function_cloud_native_environment22.1.0
- communications_cloud_native_core_network_repository_function22.1.2 | 22.2.0
- communications_cloud_native_core_network_slice_selection_function22.1.1
- communications_cloud_native_core_unified_data_repository22.2.0
Apple6 products
- ipados< 15.5
- iphone_os< 15.5
- mac_os_x≥ 10.15.0, < 10.15.7 | 10.15.7 | 10.15.7:security_update_2020-001 | 10.15.7:security_update_2021-001 | 10.15.7:security_update_2021-002 | 10.15.7:security_update_2021-003 | 10.15.7:security_update_2021-004 | 10.15.7:security_update_2021-005 | 10.15.7:security_update_2021-006 | 10.15.7:security_update_2021-007 | 10.15.7:security_update_2021-008 | 10.15.7:security_update_2022-001 | 10.15.7:security_update_2022-003
- macos≥ 11.6.0, < 11.6.6 | ≥ 12.0, < 12.4
- tvos< 15.5
Redhat6 products
- libxml2< 0:2.9.7-12.el8_5
- libxml2-debuginfo< 0:2.9.7-12.el8_5
- libxml2-debugsource< 0:2.9.7-12.el8_5
- libxml2-devel< 0:2.9.7-12.el8_5
- python3-libxml2< 0:2.9.7-12.el8_5
Alpine2 products
- libxml2< 2.9.13-r0
- qt5-qtwebengine< 5.15.11-r12 | < 5.15.11-r13
Debian2 products
- libxml2< 2.9.13+dfsg-1
- debian_linuxEOL9.0
Opensuse2 products
- libxml2&distro=openSUSE Tumbleweed< 2.9.13-1.1
- python-libxml2-python&distro=openSUSE Leap 15.3< 2.9.7-3.40.1
Fedoraproject1 product
- fedoraEOL34
Mageia1 product
- libxml2< 2.9.10-7.3.mga8
Ubuntu1 product
- libxml2< 2.9.1+dfsg1-3ubuntu4.13+esm3 | < 2.9.3+dfsg1-1ubuntu0.7+esm2 | < 2.9.4+dfsg1-6.1ubuntu1.5 | < 2.9.10+dfsg-5ubuntu0.20.04.2
Xmlsoft1 product
- libxml2< 2.9.13
12 vendors · 102 products
References
44 links- lists.fedoraproject.org/archives/…Vendor Advisory
- support.apple.com/kb/HT213257Third Party Advisory
Show all 44 references
- support.apple.com/kb/HT213256Third Party Advisory
- support.apple.com/kb/HT213255Third Party Advisory
- security.netapp.com/advisory/ntap-20220331-0008/Third Party Advisory
- support.apple.com/kb/HT213253Third Party Advisory
- support.apple.com/kb/HT213258Third Party Advisory
- support.apple.com/kb/HT213254Third Party Advisory
- lists.opensuse.org/archives/…Advisory