CVE-2010-4376

critical

Published 2010-12-14 · Modified 2026-04-29

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.3

Description

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.1, Mac RealPlayer 11.0 through 11.1, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code via a large Screen Width value in the Screen Descriptor header of a GIF87a file in an RTSP stream.

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

Linux kernel Fixed 1 release

Version	Status	Fixed in
—	Not affected	—

macOS Fixed 1 release

Version	Status	Fixed in
—	Not affected	—

Application impact

Vendor	Product	Versions
realnetworks	realplayer	`11.0`
realnetworks	realplayer	`11.0.1`
realnetworks	realplayer	`11.0.2`
realnetworks	realplayer	`11.0.3`
realnetworks	realplayer	`11.0.4`
realnetworks	realplayer	`11.0.5`
realnetworks	realplayer	`11.1`
realnetworks	realplayer_sp	`1.0.0`
realnetworks	realplayer_sp	`1.0.1`
realnetworks	realplayer_sp	`1.0.2`
realnetworks	realplayer_sp	`1.0.5`
realnetworks	realplayer_sp	`1.1`
realnetworks	realplayer_sp	`1.1.1`
realnetworks	realplayer	`11.0.2.1744`

References

CWEs

CWE-119

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

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