Bug 2136288 (CVE-2022-40304)
| Summary: | CVE-2022-40304 libxml2: dict corruption caused by entity reference cycles | ||
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| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | adudiak, bdettelb, caswilli, csutherl, dffrench, dhalasz, dking, dkuc, fjansen, gzaronik, hartsjc, jburrell, jclere, jkoehler, jwong, jwon, kaycoth, kshier, micjohns, mturk, ngough, ohudlick, peholase, pjindal, plodge, psegedy, rgodfrey, rh-spice-bugs, stcannon, sthirugn, szappis, tcarlin, tfister, tkasparek, tmeszaro, tsasak, veillard, vkrizan, vkumar, vmugicag |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libxml2 2.10.3 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A flaw was found in libxml2. When a reference cycle is detected in the XML entity cleanup function the XML entity data can be stored in a dictionary. In this case, the dictionary becomes corrupted resulting in logic errors, including memory errors like double free.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-01-28 16:52:14 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2136292, 2136293, 2136294, 2136295, 2136301, 2136567, 2136568, 2136569, 2136570, 2136571 | ||
| Bug Blocks: | 2135075, 2169449 | ||
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Description
Guilherme de Almeida Suckevicz
2022-10-19 20:22:28 UTC
Upstream patch: https://gitlab.gnome.org/GNOME/libxml2/-/commit/1b41ec4e9433b05bb0376be4725804c54ef1d80b Created libxml2 tracking bugs for this issue: Affects: fedora-all [bug 2136293] Created mingw-libxml2 tracking bugs for this issue: Affects: fedora-all [bug 2136294] Created qt5-qtwebengine tracking bugs for this issue: Affects: epel-all [bug 2136292] Affects: fedora-all [bug 2136295] Created perl-Alien-Libxml2 tracking bugs for this issue: Affects: fedora-all [bug 2136301] This issue has been addressed in the following products: Red Hat JBoss Core Services Via RHSA-2022:8841 https://access.redhat.com/errata/RHSA-2022:8841 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:0173 https://access.redhat.com/errata/RHSA-2023:0173 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2023:0338 https://access.redhat.com/errata/RHSA-2023:0338 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-40304 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:0413 https://access.redhat.com/errata/RHSA-2024:0413 |