CVE-2024-32975
Envoy crashes in QuicheDataReader::PeekVarInt62Length()
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Envoy crashes in QuicheDataReader::PeekVarInt62Length()
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
- Record
CVE-2024-32975- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191
- Updated
- 2026-11-05
EUVDEUVD-2024-30727
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
- Record
EUVD-2024-30727- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-05
NVD
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
- Record
CVE-2024-32975- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191
- Updated
- 2026-11-05
OSV
Envoy crashes in QuicheDataReader::PeekVarInt62Length()
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
- Record
CVE-2024-32975- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-191
- Updated
- 2026-11-07
OSVBIT-envoy-2024-32975 No score
Envoy crashes in QuicheDataReader::PeekVarInt62Length()
Envoy is a cloud-native, open source edge and service proxy. There is a crash at QuicheDataReader::PeekVarInt62Length(). It is caused by integer underflow in the QuicStreamSequencerBuffer::PeekRegion() implementation.
- Record
BIT-envoy-2024-32975- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
envoyBitnami |
before 1.27.6, 1.28.0 up to 1.28.4, 1.29.0 up to 1.29.5, 1.30.0 up to 1.30.2 | 1.27.61.28.41.29.51.30.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| aliases, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-32975 is a medium vulnerability (CVSS 5.9) in Envoyproxy Envoy, published June 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. Fixed in envoy 1.27.6.