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CVE

CVE-2025-12205

A vulnerability was detected in Kamailio 5.5. The affected element is the function sr_push_yy_state of the file src/core/cfg.lex of the component Configuration File Handler.
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CVE

CVE-2025-12205

A vulnerability was detected in Kamailio 5.5. The affected element is the function sr_push_yy_state of the file src/core/cfg.lex of the component Configuration File Handler.

A vulnerability was detected in Kamailio 5.5. The affected element is the function srpushyy_state of the file src/core/cfg.lex of the component Configuration File Handler. The manipulation results in use after free. The attack must be initiated from a local position. The exploit is now public and may be used. The real existence of this vulnerability is still doubted at the moment. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
4.8
-
4.0
CVSS: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
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://www.openwall.com/lists/oss-security/2025/11/02/3, http://www.openwall.com/lists/oss-security/2025/10/27/12, http://www.openwall.com/lists/oss-security/2025/10/27/8, https://shimo.im/docs/ZzkLMVMLOzIRlpAQ/, https://vuldb.com/?ctiid.329875, https://vuldb.com/?id.329875, https://vuldb.com/?submit.673225, https://www.openwall.com/lists/oss-security/2025/10/27/8

Severity

7.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.8
EPSS Probability
0.00018%
EPSS Percentile
0.03747%
Introduced Version
0
Fix Available

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