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Devansh Patel
b8bd073f05
Scarthgap already contains 4810cd8c5b [3], which backports
fb4ee161 and e61a5f36 for read-ahead/read-size handling. The
associated submission [4] labels that work as CVE-2026-26209, but
it does not add the max_depth protection required for uncontrolled
recursion [2].
Complete the existing backport with the 5.9.0 max-depth chain:
- bcb6cea4: add the C decoder depth limit [1]
- 94e0d212: add the security-essential pure-Python depth limit
- 53521e7c: apply the required type correction
- a7ac10d5: raise the default depth limit to 400
- d903d62c: synchronize the C function signature default
The 5.9.0 upgrade description [5] also identifies max_depth as the
CVE fix. Full upstream commit links are recorded in the embedded
patch headers.
[1] https://github.com/agronholm/cbor2/commit/bcb6cea4edde1d00ff4f0eece883dea951f66e1b
[2] https://github.com/advisories/GHSA-3c37-wwvx-h642
[3] https://git.openembedded.org/meta-openembedded/commit/?id=4810cd8c5bbc0b4349a78eac85a6a882bc0b03a2
[4] https://www.mail-archive.com/openembedded-devel%40lists.openembedded.org/msg105607.html
[5] https://www.mail-archive.com/openembedded-devel%40lists.openembedded.org/msg105418.html
Signed-off-by: Devansh Patel <devanshp@cisco.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>