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    CVE-2006-1827

    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
    Last Modified:Apr 16, 2026
    EPS:Apr 18, 2006
    EPSS Score:0.03378
    CVSS Score:6.4

    Affected Products

    Vendor
    Digium
    Product
    Asterisk

    Exploits

    http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisoryhttp://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-49786 (CVSS 7.5) — Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.…
    CVE-2023-37457 (CVSS 7.5) — Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and pri…
    CVE-2023-49294 (CVSS 4.9) — Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.…
    CVE-2021-46837 (CVSS 6.5) — res_pjsip_t38 in Sangoma Asterisk 16.x before 16.16.2, 17.x before 17.9.3, and 18.x before 18.2.2, and Certifi…
    CVE-2022-26498 (CVSS 7.5) — An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files tha…
    CVE-2022-26651 (CVSS 9.8) — An issue was discovered in Asterisk through 19.x and Certified Asterisk through 16.8-cert13. The func_odbc mod…
    CVE-2022-26499 (CVSS 9.1) — An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary…
    CVE-2021-32558 (CVSS 7.5) — An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and …
    CVE-2021-31878 (CVSS 6.5) — An issue was discovered in PJSIP in Asterisk before 16.19.1 and before 18.5.1. To exploit, a re-INVITE without…
    CVE-2021-26713 (CVSS 6.5) — A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, an…

    References

    http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz
    http://secunia.com/advisories/19800
    http://secunia.com/advisories/19872
    http://secunia.com/advisories/19897
    http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory
    http://www.debian.org/security/2006/dsa-1048
    http://www.novell.com/linux/security/advisories/2006_04_28.html
    http://www.securityfocus.com/bid/17561
    http://www.vupen.com/english/advisories/2006/1478
    http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz
    http://secunia.com/advisories/19800
    http://secunia.com/advisories/19872
    http://secunia.com/advisories/19897
    http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory
    http://www.debian.org/security/2006/dsa-1048
    http://www.novell.com/linux/security/advisories/2006_04_28.html
    http://www.securityfocus.com/bid/17561
    http://www.vupen.com/english/advisories/2006/1478

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High