Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length
Published Apr 18, 2006
6.4
MEDIUMCVSS 2.0
EPSS 6.87%
Description
Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.
Affected products
No data.
- ≤ 1.2.6
- 0.1.0
- 0.1.1
- 0.1.2
- 0.1.3
- 0.1.4
- 0.1.5
- 0.1.6
- 0.1.7
- 0.1.8
- 0.1.9
- 0.1.9.1
- 0.1.10
- 0.1.11
- 0.1.12
- 0.2
- 0.2.0
- 0.3
- 0.3.0
- 0.4
- 0.4.0
- 0.5.0
- 0.7.0
- 0.7.1
- 0.7.2
- 1.0.0
- 1.0.1
- 1.0.2
- 1.0.3
- 1.0.4
- 1.0.5
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.0_rc1
- 1.0_rc2
- 1.2.0_beta1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.87% (0.06870) | 93.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.87% (0.06870) | 93.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.38% (0.03378) | 86.54th | v4 (v2025.03.14) |
| Dec 17, 2024 | 19.82% (0.19819) | 96.31th | v3 (v2023.03.01) |
| Jun 14, 2023 | 10.22% (0.10225) | 94.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.79% (0.11792) | 94.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.27% (0.11270) | 95.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.27% (0.11270) | 94.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.27% (0.11270) | 88.71th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz x_refsource_CONFIRMPatch
- http://secunia.com/advisories/19800 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19872 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19897 third-party-advisoryx_refsource_SECUNIA
- http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory x_refsource_MISCExploitPatch
- http://www.debian.org/security/2006/dsa-1048 vendor-advisoryx_refsource_DEBIAN
- http://www.novell.com/linux/security/advisories/2006_04_28.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/17561 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2006/1478 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz | x_refsource_CONFIRMPatch | |
| http://secunia.com/advisories/19800 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/19872 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/19897 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory | x_refsource_MISCExploitPatch | |
| http://www.debian.org/security/2006/dsa-1048 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.novell.com/linux/security/advisories/2006_04_28.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/17561 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2006/1478 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.