CVE-2026-49975

unknown

Published — · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-49975 NameCVE-2026-49975 SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) Debian Bugs1138750 Vulnerable and fixed packages The table below lists information on source packages. Source PackageReleaseVersionStatus apache2 (PTS)bullseye2.4.62-1~deb11u1vulnerable bullseye…

CVE-2026-49975

Name	CVE-2026-49975
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1138750

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	bullseye	2.4.62-1~deb11u1	vulnerable
	bullseye (security)	2.4.67-1~deb11u1	vulnerable
	bookworm, bookworm (security)	2.4.67-1~deb12u2	vulnerable
	trixie (security), trixie	2.4.67-1~deb13u2	vulnerable
	forky, sid	2.4.67-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apache2	source	(unstable)	(unfixed)			1138750

Notes

https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb
https://github.com/icing/mod_h2/pull/324
https://github.com/icing/mod_h2/commit/35c6e405390ed361189a82acd96675401ea5947c (v2.0.41)

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

https://blog.calif.io/p/codex-discovered-a-hidden-http2-bombhttps://github.com/icing/mod_h2/pull/324https://github.com/icing/mod_h2/commit/35c6e405390ed361189a82acd96675401ea5947c (v2.0.41)

OS impact

OS	Version	Status
debian	bookworm	affected
debian	bullseye	affected
debian	forky	affected
debian	sid	affected
debian	trixie	affected

References

https://security-tracker.debian.org/tracker/CVE-2026-49975

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.