VIR Vulnerability Intelligence Relay

CVE-2015-2942

high
Published 2015-04-13 · Modified 2026-05-06
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CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.1

Description

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.

Predictions

Exploit likelihood
20%
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
OSVersionStatusFixed in
debian debianbookwormfixed1:1.19.20+dfsg-2.3
debian debianbullseyefixed1:1.19.20+dfsg-2.3
debian debianforkyfixed1:1.19.20+dfsg-2.3
debian debiansidfixed1:1.19.20+dfsg-2.3
debian debiantrixiefixed1:1.19.20+dfsg-2.3

Application impact
VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.19.23"}
mediawikimediawiki1.20
mediawikimediawiki1.20.1
mediawikimediawiki1.20.2
mediawikimediawiki1.20.3
mediawikimediawiki1.20.4
mediawikimediawiki1.20.5
mediawikimediawiki1.20.6
mediawikimediawiki1.20.7
mediawikimediawiki1.20.8
mediawikimediawiki1.21
mediawikimediawiki1.21.1
mediawikimediawiki1.21.2
mediawikimediawiki1.21.3
mediawikimediawiki1.21.4
mediawikimediawiki1.21.5
mediawikimediawiki1.21.6
mediawikimediawiki1.21.7
mediawikimediawiki1.21.8
mediawikimediawiki1.21.9
mediawikimediawiki1.21.10
mediawikimediawiki1.21.11
mediawikimediawiki1.22.0
mediawikimediawiki1.22.1
mediawikimediawiki1.22.2
mediawikimediawiki1.22.3
mediawikimediawiki1.22.4
mediawikimediawiki1.22.5
mediawikimediawiki1.22.6
mediawikimediawiki1.22.7
mediawikimediawiki1.22.8
mediawikimediawiki1.22.9
mediawikimediawiki1.22.10
mediawikimediawiki1.22.11
mediawikimediawiki1.22.12
mediawikimediawiki1.22.13
mediawikimediawiki1.22.14
mediawikimediawiki1.22.15
mediawikimediawiki1.23.0
mediawikimediawiki1.23.1
mediawikimediawiki1.23.2
mediawikimediawiki1.23.3
mediawikimediawiki1.23.4
mediawikimediawiki1.23.5
mediawikimediawiki1.23.6
mediawikimediawiki1.23.7
mediawikimediawiki1.23.8
mediawikimediawiki1.24.0
mediawikimediawiki1.24.1

References

CWEs

CWE-399

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

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