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CVE-2023-31982

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function...

7.8 HighFix available

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.31%Up 0.2 points since May 10, 2023
90%50%10%1%

What each source reports

NVD Score used 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
CVE-2023-31982
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
CVE List 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
CVE-2023-31982
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
EUVDEUVD-2023-36271 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
EUVD-2023-36271
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-xf28-8cq4-qppx 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function...

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
GHSA-xf28-8cq4-qppx
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
CVE-2023-31982
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2023-31982 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
DEBIAN-CVE-2023-31982
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-31982 7.8

Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at /src/capture.c.

Record
UBUNTU-CVE-2023-31982
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
sngrep
Debian:12
 All versions, plus listed versions
1.6.0-11.7.0-11.7.0-21.7.0-2~bpo12+11.8.0-1
Show 9 moreShow less
1.8.1-11.8.2-11.8.2-1~bpo12+11.8.3-11.8.3-1~bpo13+11.8.4-11.8.4-1~bpo13+11.8.4-21.9.0-1
 None known
sngrep
Debian:13
 before 1.7.0-1
1.7.0-1
sngrep
Debian:14
 before 1.7.0-1
1.7.0-1
sngrep
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.4.1-11.0.0-11.1.0-11.2.0-11.2.0-1build1
 None known
sngrep
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.4.3-11.4.4-11.4.4-21.4.5-1
 None known
sngrep
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.4.6-11.4.6-2
 None known
sngrep
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.4.9-11.4.10-11.4.10-1ubuntu0.1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-31982 is a high vulnerability (CVSS 7.8) in Irontec Sngrep, published May 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in sngrep 1.7.0-1.

References

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