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CVE-2020-28030

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan...

7.5 HighFix available

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.07%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
CVE-2020-28030
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-682, CWE-770, CWE-835
Updated
2026-11-02
CVE List No score

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
CVE-2020-28030
Updated
2026-11-02
EUVDEUVD-2020-20521 No score

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
EUVD-2020-20521
Updated
2026-11-03
GitHub AdvisoriesGHSA-983p-wv66-ffx7 No score

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan...

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
GHSA-983p-wv66-ffx7
Weakness
CWE-400
Updated
2026-11-02
OSVALPINE-CVE-2020-28030 7.5

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
ALPINE-CVE-2020-28030
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSV 7.5

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
CVE-2020-28030
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2020-28030 7.5

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
DEBIAN-CVE-2020-28030
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-28030 7.5

In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Record
UBUNTU-CVE-2020-28030
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:2076-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • wireshark was updated to 3.2.8:
    • CVE-2020-26575: Fixed an issue where FBZERO dissector was entering in infinite loop (bsc#1177406)
    • CVE-2020-28030: Fixed an issue where GQUIC dissector was crashing (bsc#1178291)
    • Infinite memory allocation while parsing this tcp packet

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:2076-1
Updated
2026-11-02
OSVopenSUSE-SU-2020:2107-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • wireshark was updated to 3.2.8:
    • CVE-2020-26575: Fixed an issue where FBZERO dissector was entering in infinite loop (bsc#1177406)
    • CVE-2020-28030: Fixed an issue where GQUIC dissector was crashing (bsc#1178291)
    • Infinite memory allocation while parsing this tcp packet

This update was imported from the SUSE:SLE-15:Update update project.

Record
openSUSE-SU-2020:2107-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11513-1 No score

libwireshark14-3.4.8-1.2 on GA media

These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11513-1
Updated
2026-11-02
OSVSUSE-SU-2020:3376-1 No score

Security update for wireshark

This update for wireshark fixes the following issues:

  • wireshark was updated to 3.2.8:
    • CVE-2020-26575: Fixed an issue where FBZERO dissector was entering in infinite loop (bsc#1177406)
    • CVE-2020-28030: Fixed an issue where GQUIC dissector was crashing (bsc#1178291)
    • Infinite memory allocation while parsing this tcp packet
Record
SUSE-SU-2020:3376-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.12
3.2.0 up to 3.2.8-r0
3.2.8-r0
wireshark
Alpine:v3.13
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.14
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.15
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.16
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.17
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.18
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.19
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.20
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.21
3.2.0 up to 3.4.0-r0
3.4.0-r0
Show 18 moreShow less
Affected packages
PackageAffectedFixed
wireshark
Alpine:v3.22
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.23
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Alpine:v3.24
3.2.0 up to 3.4.0-r0
3.4.0-r0
wireshark
Debian:12
before 3.2.8-0.1
3.2.8-0.1
wireshark
Debian:13
before 3.2.8-0.1
3.2.8-0.1
wireshark
Debian:14
before 3.2.8-0.1
3.2.8-0.1
wireshark
Debian:9
From an advisory covering 17 CVEs
before 2.6.20-0+deb9u1, plus listed versions
2.2.6+g32dac6a-22.2.6+g32dac6a-2+deb9u12.2.6+g32dac6a-2+deb9u22.2.6+g32dac6a-2+deb9u32.2.7-1
Show 24 moreShow less
2.4.0-12.4.1-12.4.2-12.4.3-12.4.4-12.4.5-12.4.6-12.6.1-12.6.10-12.6.2-12.6.2-22.6.3-12.6.3-1~deb9u12.6.4-12.6.4-22.6.5-12.6.5-1~deb9u12.6.6-12.6.7-12.6.7-1~deb9u12.6.8-12.6.8-1.12.6.8-1.1~deb9u12.6.9-1
2.6.20-0+deb9u1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP1
From an advisory covering 2 CVEs
before 3.2.8-3.44.1
3.2.8-3.44.1
wireshark
SUSE:Linux Enterprise Module for Basesystem 15 SP2
From an advisory covering 2 CVEs
before 3.2.8-3.44.1
3.2.8-3.44.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP1
From an advisory covering 2 CVEs
before 3.2.8-3.44.1
3.2.8-3.44.1
wireshark
SUSE:Linux Enterprise Module for Desktop Applications 15 SP2
From an advisory covering 2 CVEs
before 3.2.8-3.44.1
3.2.8-3.44.1
wireshark
Ubuntu:Pro:14.04:LTS
All versions, plus listed versions
1.10.2-11.10.3-11.10.5-1ubuntu11.10.5-21.10.6-1
Show 9 moreShow less
1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.12.6.3-1~ubuntu14.04.12.6.4-2~ubuntu14.04.12.6.5-1~ubuntu14.04.12.6.6-1~ubuntu14.04.02.6.8-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm12.6.10-1~ubuntu14.04.0~esm22.6.10-1~ubuntu14.04.0~esm3
None known
wireshark
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
1.12.7+g7fc8978-11.12.8+g5b6e543-22.0.1+g59ea380-3build12.0.2+ga16e22e-12.2.6+g32dac6a-2ubuntu0.16.04
Show 8 moreShow less
2.6.3-1~ubuntu16.04.12.6.4-2~ubuntu16.04.02.6.5-1~ubuntu16.04.02.6.6-1~ubuntu16.04.02.6.8-1~ubuntu16.04.02.6.10-1~ubuntu16.04.02.6.10-1~ubuntu16.04.0+esm12.6.10-1~ubuntu16.04.0+esm2
None known
wireshark
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
2.4.2-12.4.3-12.4.4-12.4.5-12.6.3-1~ubuntu18.04.1
Show 7 moreShow less
2.6.4-2~ubuntu18.04.02.6.5-1~ubuntu18.04.02.6.6-1~ubuntu18.04.02.6.8-1~ubuntu18.04.02.6.10-1~ubuntu18.04.02.6.10-1~ubuntu18.04.0+esm12.6.10-1~ubuntu18.04.0+esm2
None known
wireshark
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
3.0.5-13.0.7-13.2.1-13.2.2-13.2.3-13.2.3-1ubuntu0.1~esm13.2.3-1ubuntu0.1~esm2
None known
wireshark
openSUSE:Leap 15.2
From an advisory covering 2 CVEs
before 3.2.8-lp152.2.9.1
3.2.8-lp152.2.9.1
wireshark
openSUSE:Leap 15.1
From an advisory covering 2 CVEs
before 3.2.8-lp151.2.18.1
3.2.8-lp151.2.18.1
wireshark
openSUSE:Tumbleweed
From an advisory covering 163 CVEs
before 3.4.8-1.2
3.4.8-1.2

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-28030 is a high vulnerability (CVSS 7.5) in Wireshark, published October 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in wireshark 3.2.8-r0.

References

Show 176 moreShow less
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