CVE-2017-9465

high

Published 2017-06-06 · Modified 2026-05-13

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CVSS v3

7.1

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.1

Description

The yr_arena_write_data function in YARA 3.6.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) or obtain sensitive information from process memory via a crafted file that is mishandled in the yr_re_fast_exec function in libyara/re.c and the _yr_scan_match_callback function in libyara/scan.c.

Predictions

Exploit likelihood

70%

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

OS	Version	Status	Fixed in
debian	bookworm	fixed	`3.6.2+dfsg-1`
debian	bullseye	fixed	`3.6.2+dfsg-1`
debian	forky	fixed	`3.6.2+dfsg-1`
debian	sid	fixed	`3.6.2+dfsg-1`
debian	trixie	fixed	`3.6.2+dfsg-1`

Application impact

Vendor	Product	Versions	Fixed
virustotal	yara	`3.6.1`

References

CWEs

CWE-125

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

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