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CVE-2026-43233

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: fix OOB read in decode_choice() In decode_choice(), the boundary check before get_len() uses the variable `len`, which is still 0 from its initialization at the top of the function: unsigned int type, ext, len = 0; ... if (ext || (son->attr & OPEN)) { BYTE_ALIGN(bs); if (nf_h323_error_boundary(bs, len, 0)) /* len is 0 here */ return H323_ERROR_BOUND;
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f716baa82e2679b805ac8ff33f1c237429029e963dfb1d23e1f3c3e871e768f9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_h323_asn1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"s…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_h323_asn1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bcb50aa0b8f2b74a9fe5a1c7bee6f2657a288041","status":"affected","version":"ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa","versionType":"git"},{"lessThan":"2a3aac4205e7d2f1aca2e3827de8cdd517d36c4a","status":"affected","version":"ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa","versionType":"git"},{"lessThan":"81f2fc5b0d0cf4696146f00f837596d10b92dead","status":"affected","version":"ec8a8f3…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_h323_asn1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"s…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_h323_asn1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bcb50aa0b8f2b74a9fe5a1c7bee6f2657a288041","status":"affected","version":"ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa","versionType":"git"},{"lessThan":"2a3aac4205e7d2f1aca2e3827de8cdd517d36c4a","status":"affected","version":"ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa","versionType":"git"},{"lessThan":"81f2fc5b0d0cf4696146f00f837596d10b92dead","status":"affected","version":"ec8a8f3…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/2a3aac4205e7d2f1aca2e3827de8cdd517d36c4a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/35f1943d242e1b9f0b6e91c0c93bfb293a9f8224"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/53d32735d77ab56cc3fc7bd53a7d099418f19be1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/7ef82863d42261817a6394c6c881bd6757a70f16"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/81f2fc5b0d0cf4696146f00f837596d10b92dead"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/baed0d9ba91d4f390da12d5039128ee897253d60"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/bcb50aa0b8f2b74a9fe5a1c7bee6f2657a288041"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f0a83d0a4b7c127d32ac06d607a9214937716129"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3d0627653cbad7e583740d128b468710f6e66fabb109ebf8ae4ddb0e65c14a02 · sha256:e77a732226dd2251… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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