OSV-2026-392 UNKNOWN READ in pcpp::BgpLayer::getHeaderLen
An attacker can cause a denial of service via an unknown read vulnerability in the BGP layer header length calculation of the PcapPlusPlus library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2026-392?
OSV-2026-392 is a memory corruption vulnerability in pcapplusplus, published on 13 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=491687588
Crash type: UNKNOWN READ
Crash state:
pcpp::BgpLayer::getHeaderLen
pcpp::Packet::shortenLayer
pcpp::Layer::shortenLayer
Which versions are affected by OSV-2026-392?
1 open source package ship an affected version, including pcapplusplus.
| Package | Affected | Fixed in |
|---|---|---|
pcapplusplus OSS-Fuzz | All versions | None |
How do I fix OSV-2026-392?
No fix has been published for OSV-2026-392 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2026-392 being exploited?
There is no known exploitation of OSV-2026-392 in the wild and no public exploit code.