CVE-2021-31525

medium

Published 2022-05-24 · Modified 2021-08-10

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CVSS v3

—

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

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not yet in upstream

VIR risk

5.5

Description

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`2:1.16.4-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1:0.0+git20210119.5f4716e+dfsg-3`
sid	Fixed	`1:0.0+git20210119.5f4716e+dfsg-3`
forky	Fixed	`1:0.0+git20210119.5f4716e+dfsg-3`
bullseye	Fixed	`1.15.9-2`
bookworm	Fixed	`1:0.0+git20210119.5f4716e+dfsg-3`

Red Hat Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	golang.org/x/net	`<0.0.0-20210428140749-89ef3d95e781`	`0.0.0-20210428140749-89ef3d95e781`
Go	stdlib	`>=1.16.0-0,<1.16.4`	`1.15.12`

References

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

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