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CVE-2025-9157

appneta tcpreplay tcprewrite edit_packet.c untrunc_packet use after free

4.8 MediumFix available

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.15%Up 0.1 points since Aug 20, 2025
90%50%10%1%

What each source reports

CVE List Score used 4.8

appneta tcpreplay tcprewrite edit_packet.c untrunc_packet use after free

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
CVE-2025-9157
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS 2.0
4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C
Weakness
CWE-416, CWE-119
Updated
2026-11-02
EUVDEUVD-2025-25247 4.8

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
EUVD-2025-25247
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Updated
2026-11-02
GitHub AdvisoriesGHSA-9v49-c9x8-3hm2 1.9

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is...

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
GHSA-9v49-c9x8-3hm2
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-119
Updated
2026-11-02
NVD 1.9

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
CVE-2025-9157
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0
4.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-119, CWE-416
Updated
2026-11-02
OSV 1.9

appneta tcpreplay tcprewrite edit_packet.c untrunc_packet use after free

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
CVE-2025-9157
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-119, CWE-416
Updated
2026-11-02
OSVDEBIAN-CVE-2025-9157 1.9

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
DEBIAN-CVE-2025-9157
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2025-9157 1.9

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. The impacted element is the function untrunc_packet of the file src/tcpedit/edit_packet.c of the component tcprewrite. Executing manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. This patch is called 73008f261f1cdf7a1087dc8759115242696d35da. Applying a patch is advised to resolve this issue.

Record
UBUNTU-CVE-2025-9157
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVopenSUSE-SU-2025:15728-1 No score

tcpreplay-4.5.2-1.1 on GA media

These are all security issues fixed in the tcpreplay-4.5.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15728-1
Updated
2026-11-02
OSVopenSUSE-SU-2025:20119-1 No score

Security update for tcpreplay

This update for tcpreplay fixes the following issues:

  • update to 4.5.2:
    • features added since 4.4.4
      • fix/recalculate header checksum for ipv6-frag
      • IPv6 frag checksum support
      • AF_XDP socket support
      • tcpreplay -w (write into a pcap file)
      • tcpreplay --fixhdrlen
      • --include and --exclude options
      • SLL2 support
      • Haiku support
    • security fixes reported for 4.4.4 fixed in 4.5.2
      • CVE-2023-4256 / bsc#1218249
      • CVE-2023-43279 / bsc#1221324
      • CVE-2024-3024 / bsc#1222131 (likely)
      • CVE-2024-22654 / bsc#1243845
      • CVE-2025-9157 / bsc#1248322
      • CVE-2025-9384 / bsc#1248595
      • CVE-2025-9385 / bsc#1248596
      • CVE-2025-9386 / bsc#1248597
      • CVE-2025-9649 / bsc#1248964
      • CVE-2025-51006 / bsc#1250356
Record
openSUSE-SU-2025:20119-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tcpreplay
Debian:12
 All versions, plus listed versions
4.4.3-14.4.4-14.5.1-14.5.2-14.5.3-14.5.4-1
 None known
tcpreplay
Debian:13
 All versions, plus listed versions
4.5.1-14.5.2-14.5.3-14.5.4-1
 None known
tcpreplay
Debian:14
 before 4.5.2-1, plus listed versions
4.5.1-1
4.5.2-1
tcpreplay
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.4.4-23.4.4-2+deb8u1build0.16.04.13.4.4-2+deb8u1ubuntu0.1~esm13.4.4-2+deb8u1ubuntu0.1~esm23.4.4-2+deb8u1ubuntu0.1~esm3
 None known
tcpreplay
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
4.2.6-14.2.6-1ubuntu0.1~esm14.2.6-1ubuntu0.1~esm24.2.6-1ubuntu0.1~esm34.2.6-1ubuntu0.1~esm44.2.6-1ubuntu0.1~esm5
 None known
tcpreplay
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
4.3.2-1build14.3.2-1ubuntu0.1~esm14.3.2-1ubuntu0.1~esm24.3.2-1ubuntu0.1~esm3
 None known
tcpreplay
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
4.3.3-24.3.4-14.3.4-1ubuntu0.1~esm14.3.4-1ubuntu0.1~esm2
 None known
tcpreplay
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
4.4.3-14.4.4-14.4.4-1build14.4.4-1build24.4.4-1ubuntu0.1~esm1
 None known
tcpreplay
Ubuntu:25.10
 All versions, plus listed versions
4.5.1-14.5.2-1
 None known
tcpreplay
Ubuntu:26.10
 All versions, plus listed versions
4.5.2-1build14.5.4-1
 None known
tcpreplay
Ubuntu:26.04:LTS
 All versions, plus listed versions
4.5.2-14.5.2-1build1
 None known
tcpreplay
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 4.5.2-1.1
4.5.2-1.1
tcpreplay
openSUSE:Leap 16.0
From an advisory covering 11 CVEs
 before 4.5.2-bp160.1.1
4.5.2-bp160.1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2025-9157 is a medium vulnerability (CVSS 4.8) in Appneta Tcpreplay, published August 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. Fixed in tcpreplay 4.5.2-1.

References

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